Halle’s accessories: Data display contact lens
Configurable permanent makeup
Personal cell, PDA facial stud
Solar, climate controlled hoodie
Probing de Grey Matters AUBREY DE GREY
The Reluctant Transhumanist CHARLIE STROSS
Don’t Leave Your Memory at Home BUILDING BETTER BRAINS
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But please -- don’t just be a consumer. As Humanity Plus: with any initiatory effort, there is plenty of room for improvement via feedback and The New Synthesis participation. So we ask you to increase the value by spreading the word and by adding Contents RU Sirius your own ideas and content to the mix. The Chinese epigram “May you live in Lately, I love it when people out there in the interesting times” was considered a curse. 5 Humanity Plus: The New Synthesis general population ask me what I do. I tell But that’s old thinking. More recently, them that I’m working on a transhumanist Americans have been reasurring them- 6 I Am Ironman! webzine and then pause -- offering no selves with the straightforward saying “Life 7 Skin Phone further explanation -- as if a transhumanist is good.” Indeed. But it could be a whole PETA Wants Meat! magazine were as comprehensible as a lot better. magazine about real estate or pet monkeys. 8 Here’s Jewels in Your Eye It’s a sort of test. Will anybody ever Make it so. H+ Magazine 9 EPOC Neuroheadset have a clue as to what I’m talking about? So far, the answer is no. Not one stranger Addendum: H+ Magazine is published We’re All Edge Cases -- or person outside certain in-the-know by Humanity+. However, not all the views 10 Open Source Robotics Looks Better Than Ever social circles -- has had even a nano-hint and ideas expressed in this publication are Publishers of a clue. the views of that organization. While the 12 Simple Questions/Challenging Answers Humanity Plus By the way, I’m not talking here only general mission of this online periodical is 13 Manipulating Evolution about people who barely know how to turn longevity or high-quality performance to spread transhumanist news and ideas, Editor-in-Chief on a computer. The conversations I’m ref- -enhancing drugs, the body politic is likely this periodical will also enclose dissenting 14 Post-Darwinian Hedonic Engineering to experience the near future as a series of RU Sirius erencing have included those with people views, darker visions, irreverent humor, and 15 The Eye who work at Google and Microsoft, people isolated shocks to prior assumptions unless quirky observations. Anything less than Art Director 17 Engineering an End to Aging who make digital art, and even one guy we suffuse the public discourse with a that would be stiff, boring, and dishonest. who owns a multi-million dollar technol- different view. DC Spensley 20 Probing de Grey Matters ogy startup. The glory of transhumanism is that Copy Editors 23 The Distribution of Post-Humanity After enjoying a few moments of puz- it’s not just a movement of immortalists, zlement in my conversational partner, I am or singularitarians, or advocates of digital Michael Jin and Kristi Scott 24 Don’t Leave Your Memory At Home likely to mention the idea that we might be democratization, or experimenters in self- Special Thanks 28 The Artificial Hippocampus able to stop aging -- or I might mention enhancing technologies. Transhumanism “The Singularity.” Aha! On a rare occasion, reminds us that all -- or at least many -- of Ms. Suzuki The Reluctant Transhumanist there may be a glimmer of recognition. these developments are coming online at Jim Mielke 31 The Sheep Shit Grass (or The End of Scarcity) Someplace, sometime, my conversational about the same time, that they impact each Botox Parties, Michael Jackson, partner had read or heard something: a other, and that they will be remaking our University of Washington vague memory, something noted while societies and our personal experiences of and the Disillusioned Transhumanist sucking at the firehose of endless infotain- the world in tandem. It represents nothing Natasha Vita-More 32 Science Fiction Gets Funding ment. less than an attempt to have a realistic dis- James Clement Clearly transhumanists have some work course about the human future while most 34 Overclocking the Human CPU to do, if the idea that humans may be on the of our leading intellectuals and politicians PJ Manney 36 H+ Lab verge of self-directed evolution is to become are still looking at that future through the Tyler Emerson common currency. But why does this mat- rear-view mirror. 38 TheProgressive Ingression of Intelligence into Matter ter? Why is it important to get more people Our responsibility, then, is to cover the John Farnsworth 39 Warren Ellis Takes It Past The Limit to start thinking about humanity plus? events and ideas -- the discoveries and the 40 Akhentek’s Music For Mind States There are probably dozens of answers to cultural expressions -- that are taking place that question, but I want to emphasize just on the borderline between the human and 41 The Meaning of Life Lies in Its Suckiness one of them -- the importance of multidis- the post-human world. It is for us to give ciplinary, synthetic reasoning and percep- expression to an emergent cultural/techno- tion in preparing for the near future. logical sensibility -- and to do it within an Our species faces a virtual agora of life- intentionally compressed space through the Resources altering, paradigm-changing developments deliberate creation of an online “artifact” -- in science, technology, and culture. Whether a digital magazine organized within the All materials © Humanity+ 2008, unless previously published or otherwise indicated. All copyrights return to writers and artists 90 days after publication. www.transhumanism.org Date of publication: October 2008 — Contact: [email protected] it’s germ-line engineering or molecular traditional magazine format. computing; advanced AI or cyborg bodies So welcome to the first edition of H+. (replaceable parts); engineered hyper- We hope you find value in this publication.
#1 #1 4 Fall 2008 Fall 2008 5 Fast Blasts Fast Blasts
PETA Wants Meat!
I Am Ironman! RU Sirius
HAL (Hybrid Assistive Limb) The notion that tissue cultures could be Cybernetic Suit developed into veritable animal flesh without the necessity of raising and Tristan Guillford slaughtering living creatures has been in circulation among tech enthusiasts for Cyberdyne Corporation of Japan, in several years. With current off-the-shelf conjunction with Daiwa House, has begun biotechnology, it should be possible to grow mass production of a cybernetic bodysuit edible meat in laboratory vats, starting from that augments body movement and a single cell. increases user strength by up to tenfold. Recently, this idea got a boost from The HAL (Hybrid Assistive Limb) PETA (People for the Ethical Treatment of suit works by detecting faint bioelectrical Animals). The animal rights group is offer- signals using pads placed on specific areas ing a $1 million prize for “the first person of the body. The pads move the HAL suit to come up with a method to produce com- accordingly. The Cyberdyne website ex- mercially viable quantities of in vitro meat plains: “When a person attempts to move, at competitive prices by 2012.” The chal- nerve signals are sent from the brain to the Image by Jim Mielke lenge has been controversial among PETA muscles via motoneuron, moving the mus- supporters because… well… like, I mean… culoskeletal system as a consequence. At yuck! this moment, very weak biosignals can be detected on the surface of the skin. HAL Skin Phone catches these signals through a sensor at- tached on the skin of the wearer. Based on Kristi Scott the signals obtained, the power unit is con- trolled to wearer’s daily activities.” Welcome to the conceptual solution that combines the beauty of Among the potential applications, Cy- a tattoo with the convenience of your cell phone and Bluetooth berdyne is emphasizing helping people technology, the “Digital Tattoo Interface.” DTI, developed by with movement disabilities, augmenting Jim Mielke, debuted at this year’s Greener Gadgets Design strength for difficult industrial tasks, disas- Competition 2008, receiving Notable Entry award. This is one Image by DC Spensley Image by ter rescue, and entertainment. tattoo with a lot of potential: a phone that would be implanted The HAL suit is not currently available. under the skin, with microscopic spheres that would act as the But according to Nikkei News, Daiwa and touch-screen buttons. Don’t want to show off your phone? The Cyberdyne are planning an annual produc- concept has a button that, when pushed, can render the phone tion of 400 units and they should be mar- invisible. If you get a call, just push the same button to answer More-reasonable commentators may keted at approximately $4,200 US dollars. the display and have the phone reappear, with video capability. note that any person or organization that Where’s the battery? There isn’t one. You just eat something can make commercially viable fake meat (preferably food), and the phone works off your own blood supply. in sufficient quantity to have an effect on With luck this phone quickly moves on from concept to actuality animal suffering won’t need PETA’s mon- for a fashionable future enhancement. ey. Still, you never know. The competition could supply motive simply by calling more attention to the possibilities. Guilt-free meat eating -- a yummy idea.
Resources Resources
HAL When Meat Is Not Murder www.cyberdyne.jp/english/robotsuithal/index.html www.guardian.co.uk/science/2005/aug/13/ Resources genetics.internationalnews
Video of HAL Digital Tattoo Interface New Harvest www.youtube.com/watch?v=ynL8BCXih8U www.core77.com/competitions/GreenerGadgets/projects/4673 www.new-harvest.org/default.php Image by Prof. Sankai, Univ. of Tsukuba / CYBERDYNE Inc.
#1 #1 6 Fall 2008 Fall 2008 7 Fast Blasts Inter MINI view Here’s Jewels in EPOC We’re All Your Eye Neuroheadset Edge Cases Kristi Scott Tristan Guillford with Cory Doctorow by RU Sirius A San Francisco–based neuroengineering company called Emotiv is developing a brain–computer interface that they say will be available on the commercial market later this year. The EPOC neuroheadset DOCTOROW: Building a search engine uses EEG technology to read electrical patterns in the brain and that only contains the information that then sends this information through wireless signals to a computer. we’re mostly looking for is easy. But at According to Emotiv, the headset will be used with new biofeedback that point, there’s no value. It’s pursuing games or can be incorporated into popular PC games like Harry Potter, the deviance, what Bruce Sterling called where characters could pick up and move objects with the power of “Wooing the muse of the odd,” that their minds. In addition, the EPOC could eventually be used in multi- player online games like World of Warcraft or Second Life to control facial actually creates a system that has a lot of expressions of virtual game characters in real time. Emotiv claims the perceived value. And that’s because we If you’ve ever wanted to have that extra- headset can detect and replicate thirty different emotional and facial are all weird in some way. special something that puts a sparkle in expressions, including excitement, anger, laughter, and calmness. your eye, and really attract attention, you Unlike earlier EEG devices, the EPOC is the first commercially should take a trip over to the Netherlands. available EEG neuroheadset that does not require gel on the scalp The Netherlands Institute for Innovative or an elaborate net of electrodes, and will be sold for the consumer Ocular Surgery has developed a procedure -friendly price of $299. The EPOC will be bundled with Emortal soft- for Cosmetic Extraocular Implants -- ware, which enables you to use the headset to browse your computer nicknamed “JewelEye.” For the starting files and applications, and also to connect to other Emotiv users in live price of about $750 (not including getting chatrooms. there) and approximately 15 minutes of your time, you can have your very own. Brave souls and surgery freaks can check out the Institute’s website (see “Resources”), to learn about the surgical procedure via text or This is the most corrosive thing that video. The adornment doesn’t interfere with happens to people who self-identify Resources sight, since it is not implanted in the field as science fiction fans… the idea that of vision, and the surgery is allegedly not www.emotiv.com/INDS_3/inds_3.html everyone else is mundane in science very painful, because the implant is under fiction argot… you’re either a mutant or the thin layer on the outside of the eye. Shapes offered include heart, star, eurosign, you’re a “norm,” right? But norms are every four-leaf clover, and music note. But for bit as weird as any of us. It’s a matter of those who really want to make a personal presentation and identity. We are all of us statement and stand out, the material used every bit as weird as any one of us. is capable of being molded into a variety of shapes and sizes upon request. Currently there are only two labs that are performing the procedure, and they are both located in the Netherlands.
Resources
Netherlands Institute for Innovative Ocular Surgery www.niioc.nl/cei-eng.htm#klinieken
#1 #1 8 Fall 2008 FALL 2008 9 AI AI
of funding. Japanese companies have been tise in areas such as language learning. And Resources Open Source the pioneers here but their enthusiasm has the beauty of the open source approach is flagged in recent years, with Sony dropping that it’s relatively straightforward for others iCub Robotics its Qrio project and Honda’s Asimo robot with AI ideas and technical chops to extend www.robotcub.org remaining, basically, a skunkworks project. their work. Building an iCub of one’s own The robotics industry as a whole is argu- is not free, nor trivial, but it’s a damn sight Looks Better PINO ably flourishing better than ever, but there easier than designing your own humanoid www.symbio.jst.go.jp/PINO is a huge gap between Roombas, industrial from scratch... and more possible than get- Than Ever robot arms, and their ilk, and mobile hu- ting your hands on Qrio or Asimo, which iCub Drumming manoid robots with the capability for com- have not been publicly released. And unlike www.robotcub.org/index.php/robotcub/content/ Ben Goertzel plex interactions in the physical and social Sony’s Aibo, the robotic dog who has be- download/1135/3982/file/icubFullDrumming3. April 2008 world. come a staple of academic AI research -- if wmv Open source humanoid robots have one finds aspects of the hardware platform iCub, the New Open Source been proposed before, e.g. PINO created by inadequate, one can always modify it, since Open source AI software platforms Humanoid Robot Japanese scientists and launched in 2001. the specs are completely open. Different These earlier projects were technically solid researchers are bound to take the iCub in Robot simulators Where’s C3PO when we need him? but didn’t really take off in the community. radically different directions. For instance, www.goertzel.org/blog/2008/05/open-source- Compared to many other aspects of robots-robot-simulators.html advanced technology -- even compared to Making a demo of a robot playing AI software technology, which isn’t exactly the drums is no big trick, given Strong AI zooming along -- humanoid robotics seems en.wikipedia.org/wiki/Strong_AI to be advancing at a snail’s pace. As in many modern engineering technology. other areas, the cause of the relatively slow Ray Kurzweil progress is a combination of technical and However, I’m guardedly optimistic that the while I’m an AI guy rather than a robot- www.kurzweilai.net economic/cultural factors. One possible iCub may meet a better fate. Early results ics researcher, reading about iCub has in- work-around to the latter, being explored look promising – for instance, a nifty vid- spired me to think a bit about how it might The Singularity Institute for Artificial Intelligence by an increasing number of roboticists eo of iCub drumming (see resource link). be integrated with various open source AI www.singinst.org worldwide, is the open source development (OK, it’s no Max Roach yet, but what we software platforms, robot simulators. and methodology. Perhaps the most exciting do have here is coordination of hands, feet, virtual worlds. example of this trend is the iCub, recently and hearing – sensorimotor integration – Will open source do for humanoid ro- developed by a European Union–funded which is a powerful first step toward real botics what it’s done for Web browsers and consortium of researchers. embodied intelligence.) bioinformatics? It’s too soon to say for sure, The power of the open source meth- Of course, demos are demos, not ro- but there’s reason to hope. odology to get complex, important things bust technologies, and making a demo of done has been well established by now in a robot playing the drums is no big trick, Ben Goertzel is the CEO of AI companies the software domain. The Linux operating given modern engineering technology. But Novamente and Biomind, a math Ph.D., system and the Firefox browser are prob- if you dig a little deeper, you find that the writer, philosopher, musician, and all-around ably the best-known examples, but there technical ideas underlying the iCub seem futurist maniac. are countless others, ranging from everyday extremely solid, and it’s clear that the ar- consumer software (such as, say, BitTor- chitecture is capable of a lot more than rent clients) to technical software helping just the handful of tricks demonstrated to scientists do their research (nearly all seri- date. Its fingers and arms have an impres- ous bioinformatics work these days is done sive number of degrees of freedom: a choice using open source software). Open source made because the designers favor cognitive hardware, on the other hand, has been theories, implying that advanced human slower to take off. Consumer hardware cognition largely arises out of the interac- benefits so much from economies of scale tion between perception and action in the in manufacturing that it’s proved hard for manipulation of objects. upstart open source hardware alternatives iCub itself is just a platform and it to really take off. But humanoid robotics is doesn’t solve all the problems of robotics, one area where the open source hardware by any means. The iCub team has so far fo- approach has tremendous potential. This cused on low-level perception, action, and R&D domain is of tremendous importance coordination, without plunging much into to the future of humanity – and beyond – the depths of communication, learning, ab- yet it’s something neither industry, govern- stract reasoning, and so forth. But they are ment nor academia is doing an adequate job collaborating with others that have exper-
#1 #1 10 Fall 2008 Fall 2008 11 Bio Inter MINI view
“frozen potentials” within a reasonable time questionable. It’s appropriate to quote the frame. No frozen potential went unnoticed. name of this BIO panel, the brain child of But that’s not the story. Dr. Mike Fisher, the life sciences adviser for Manipulating Despite the absolute tracking of each UK Trade and Investment in the United and every embryo, the UK permits stem cell States: “It’s life, Jim, But Not As We Know Evolution research on any viable line. This is where Dr. It …” Armstrong and the latest revision of the act enter the picture. And wouldn’t you know Moira A. Gunn, Ph.D., hosts “BioTech Nation” with David Ewing Duncan, co-host of BioTech it? So do the cows. on NPR Talk and NPR Live. She’s the author Nation and author of The Geneticist Who It turns out that the UK researchers of Welcome to BioTech Nation… My Played Hoops with my DNA: and Other can get only a few human eggs each week, Unexpected Odyssey into the Land of Masterminds from the Frontiers of Small Molecules, Lean Genes, and Big while he – or rather his lab – can get per- Biotech. haps 200 per day from local cows. To quote: Ideas cited by the Library Journal as being “We have a lot of cows.” And here… it gets among the “Best Science Books of 2007.” by RU Sirius interesting. Under the new approvals, researchers ©2008 Moira A. Gunn H+: I might spend the whole day may now take an animal cell, remove its nucleus, and inject it with a nucleus ex- thinking about politics, economics tracted from a human cell. This suits Dr. — thinking about solutions to knotty Armstrong just fine. He and his fellow sci- human problems — and then I start entists can then proceed to study how early thinking that a lot of this is hardwired. cells develop. The law determines that these Maybe nothing really good is going cells may not be permitted to live beyond to happen unless we change our fourteen days, although Dr. Armstrong tells us that they seldom live half that long wiring. Unless we actually technically Simple to undergo chemotherapy or other medical in any event. Still, in that short time, these evolve. Is that part of the intrigue with procedures that might compromise fertility Researchers may biotechnology? – it is not unusual for a woman to emerge DUNCAN: Yeah, it is. I actually agree with Questions/ with a dozen or more viable eggs. Today now take an animal Gregory Stock on a lot of this. He just we know better than to implant more than (cow) cell, remove thinks this stuff is inevitable. We have the Challenging two at any one attempt, and so we find our- selves with hundreds of thousands of fer- its nucleus, and technology now to alter the germ line. Answers tilized eggs on ice. No one knows exactly inject it with a Somebody’s going to do it somewhere. how many, because while the federal gov- nucleus extracted It’s more a matter of figuring out how ernment will only permit federal research to do it safely and manage it. So I would Moira A. Gunn, Ph.D. funds to be expended on the stem cell lines from a human cell. agree with the notion that we’re going to derived as of August 9, 2001, when Presi- be manipulating evolution. It’s not even a Is the product of a cloned cow, cloned milk? dent George W. Bush issued his Executive cow-cell -- human-nucleus hybrids give Or real milk? Is the offspring of a cloned Order, the government does not regulate scientists a direct way to study cell differen- question of if anymore; it’s a question of cow and a “natural” bull, a half-clone? And this particular end of the techno-human tiation at its earliest stages. when and how. then when they mix again, as cows and bulls reproductive supply chain. To date, Dr. Armstrong’s group has cre- of all persuasions are apt to do, do we get Not so with the Brits. I have just re- ated 271 human–animal hybrid embryos. quarter-clones? Three-quarter clones? The turned from the international BIO confer- By his estimation, they are 99.9% human, parlor game must obviously stop in a very ence, where I had the great good fortune 0.1% cow. few generations, but the melody lingers to moderate a panel of fellows including So where does that leave us? I asked on. Like genetically modified seeds that the illustrious Dr. Lyle Armstrong, who Armstrong directly if we could FedEx him have jumped the fence and are mixing and heads the Institute for Human Genetics at our extras to save him the involvement of Resources matching in the wild, once the progression Newcastle University. With the recent pas- the cow, and he very specifically indicated Resources begins, it’s a little hard to follow. sage of an update to the UK Human Fer- that after eighteen-vplus hours, the human Tech Nation/Biotech Nation Germline Engineering So now let’s look at some interesting tilisation and Embryology Act of 1990, his eggs were no longer of use. And yes, if we www.technation.com/ challenges that emerge on the human scale. group has now proceeded on to something found another way for him to do the re- en.wikipedia.org/wiki/Germline_ engineering In the United States, women are free to rather controversial. Under the original act, search, he would. Reuters article about human-cow embryos pursue in vitro fertilization, and American the government had regulatory control over Expediency. Cows. Humans. The inexo- www.reuters.com/article/latestCrisis/ David Ewing Duncan clinics have really gotten good at it. private citizens’ frozen embryos, which re- rable call of science. And there are a whole idUSN02399515 When they treat young women – who quired that they be tracked and that each number of people who find this entire con- www.davidewingduncan.net might be motivated because they are about private citizen make a decision about these versation simultaneously wonderful and
#1 #1 12 Fall 2008 Fall 2008 13 Inter MINI view Enhanced
Post-Darwinian Hedonic Engineering with David Pearce, founder of BLTC (Better Living Through Chemistry) Research and original cofounder of the World Transhumanist Association.
RU Sirius
PEARCE: In maybe three or four decades or so, we’ll be choosing such traits as the The Eye average hedonic set point of our children. Over time, I think allelic combinations Kristi Scott [suites of variant copies of mission-critical genes] that leave their bearers predisposed Some of us can’t help but look to the future, to unpleasant states of consciousness — and pretty soon, we may be looking at it unpleasant states that were genetically through contact lenses with a virtual reality overlay. adaptive in our ancestral environment — Engineers at the University of Wash- will be weeded out of the gene pool. For ington have developed a contact lens that a very different kind of selection pressure creates a virtual display superimposed over Image by University of Washington is at work when evolution is no longer the normal field of vision. By using a trans- “blind” and “random,” i.e. when rational parent part of the eye to place instrumen- or identifier for you. Less practical but more exciting is the potential gaming experience agents design the genetic makeup of tation, the contact will be safe for human wear. The lenses will be imprinted with an these lenses will provide. their future offspring in anticipation assortment of electronic circuits and lights But don’t throw away the digital glasses of its likely effects. In that sense, we’re to make superimposition possible. A fu- just yet. A very basic version with a few heading for a post-Darwinian transition ture version of the product might include pixels may be available soon, but a fuller – ultimately I believe to some form of the addition of wireless communication realization of this concept may take years. paradise-engineering. via the lens. The team has already demon- Even with obstacles still to be overcome, strated that rabbits can wear the lens for 20 these engineers have achieved something minutes safely without any adverse effects, taken straight from a science fiction movie and are looking into a feasible production or novel. Eye enhancements… check. method for the contacts. There are still some major wrinkles to be ironed out in Which sense is next? the manufacturing process, given that the materials need to be both safe for the body and incredibly small. The enhancement creates the potential Resources for a merger between our virtual and real worlds, overlaying them into one frame of BLTC Research vision. It would allow people to use online Resources www.bltc.com services such as Google Earth in real time over the real landscape in front of us. All Superhuman Vision The Hedonistic Imperative those giant pushpins will become a reality, uwnews.org/article.asp?articleID=39094 www.hedonistic-imperative.com/ making it much easier to navigate, since the desired location will have a great big arrow
#1 #1 14 FALL 2008 Fall 2008 15 Image by DC Spensley Image by Death rates were random, uncorrelated Engineering an with age. This means they weren’t display- ing senescence (aging), and died from other End to Aging causes. In almost all other known species, death rates increase with age. Not in hydra. Michael Anissimov They die from getting eaten, or infected by a virus, or squished, but not from ag- Age-defying creams and lotions, esoteric herbs ing. There could be a thousand-year-old and elixirs, Botox and plastic surgery -- what hydra out there, maybe in a small lake right do they all have in common? in your neighborhood. We don’t know, be- cause there is no way of telling their age by None of them will actually increase your looking at them! life span. Usually, they’re snake oil. At best, Planarians -- those odd animals that they improve external appearance without look like a slug squished in a microscope actually extending life. We deserve better, slide -- are another organism that scientists and we’ll need it if we want to live longer suspect may be immortal. No detailed stud- than the typical three score and ten years. ies have been conducted yet. In many cases, The first thing to realize is that nature if you cut a planarian in half, it becomes two doesn’t specifically want us to die. There planarians. These live as long as one born is no “death gene.” For any species in any by conventional means. If you kept cutting environmental context, there is an ideal a planarian in half, it might never die, be- life span from an adaptive point of view cause each piece would go on living. -- an evolutionary optima. One evolution- What about more-complex ani- ary strategy includes species that reproduce mals? There are our friends in the order quickly and die off fast. Another includes Testudines: turtles, tortoises, and terrapins. species that reproduce slowly and live for Scientists have examined the internal or- a long time. Call it quality versus quantity. gans of young and old turtles and found that Thankfully for humans, we’re squarely in they look exactly the same. Something in the quality column, but many would agree a turtle’s physiology prevents these organs that 80 to 90 years is not enough. from breaking down. An article in Discover We perish not because of some internal magazine asked, “Can Turtles Live Forever,” clock that says, “Time to die now!,” but be- and came to the conclusion that it’s entirely cause of a lack of attention and self-healing possible. Like hydra, turtles experience no -- mere neglect. Once we’ve reproduced a increase in mortality rates and no decrease few times, in the eyes of nature, our useful- in reproductive rates as they grow older. ness has run its course. We are cast aside, There are turtles 150 years old that exhibit onto a pile of skeletons 600 million years no signs of aging. Harriet the Turtle, a pet deep. This is unacceptable, and we need to of Charles Darwin’s, was born in 1830 and find a new way, but since nature isn’t ac- died only in 2006. It seems turtles can die tively working against us -- just neglecting from disease, injury, or predation, but not us -- the challenge is surmountable. aging. This quality is called “negligible se- nescence.” Sign me up. LONGEVITY IN NATURE From these animal examples, we see it First, let’s look to nature for inspiration. Are would be premature to state that negligible there any animals with extraordinarily long senescence is biologically impossible, as is life or regenerative capacities? Absolutely. frequently assumed. Nature seems to be There is one animal that scientists be- uninterested in our quaint notion that all lieve is immortal -- the lowly hydra, a sim- organisms must age. The question is -- how ple, microscopic freshwater animal, shaped can we make this work for humans? The something like a tiny squid. Apparently, the oldest person who ever lived, Jeanne Louise challenges of indefinite tissue regeneration Calment, kicked the bucket at the age of are simple enough for such a small organ- 122 1/2. Can we push that boundary? ism that nature has solved them. American biologist Daniel M. Marinez did a study of mortality in three colonies of hydra for four Image by Københavns Universitet years straight, and barely any of them died. (continued next page)
#1 #1 16 Fall 2008 Fall 2008 17 ENGINEERING NEGLIGIBLE time, that organic molecules could not be cells. Over time, the processes of cell re- than anything currently available or in de- Luckily, although mitochondria are tures different than the healthy tissue of SENESCENCE synthesized by inorganic precursors. Un- plenishment begin to break down. This is velopment.” It is based on a vulnerability made of thousands of proteins, only 13 of the body, so it shouldn’t be too hard to find Enter Dr. Aubrey de Grey, a biogerontologist fortunately for Bergeson and other vitalists, what causes muscle atrophy among the old, shared among all cancer cells: their need them are synthesized using the genes of the an enzyme that breaks them down while from the UK, and his “strategies for Friedrich Wöhler, the father of biochem- and the phenomenon especially afflicts the to renew their telomeres, junk DNA that mitochondria itself. The rest are synthesized leaving the rest alone. In fact, just one type engineered negligible senescence” (SENS) istry, had already synthesized urea from heart and brain, our two most important serves as the ends of chromosomes. Telo- in the nucleus and imported in. The solu- of crosslinks, called glucosepane crosslinks, plan. Instead of exclusively studying the inorganic precursors as early as 1828, and organs. To fix this problem, two strategies meres of a certain length are necessary tion to this problem is to move the thirteen may count for up to 98% of all long-lived complex biochemical processes of aging in scientists were becoming more and more have been proposed: stimulating the divi- for a cell to self-replicate. If the telomeres critical genes from the mitochondria to the extracellular crosslinks in the human body, detail, as in gerontology, or ameliorating convinced that the same laws of biochemis- sion of existing cells, or introducing new are too short, the cell self-destructs. nucleus of the cell. Evolution has already meaning if we figure out a way to get rid of the worst symptoms of age-related decline, try that govern inorganic molecules govern cells, possibly including stem cells. Both are When cancer hijacks the body’s cells, the been doing this without our help for mil- these, we’ll have almost solved this cause of as in geriatrics, de Grey and his supporters organic molecules as well. under investigation. cancer cells replicate so rapidly that their lions of years, and we need to finish the job. age-related damage. advocate an “engineering approach” to aging Because the laws of chemistry apply to The second cause of aging is death- telomeres shorten quickly. The cancer This will require using gene therapy to add The seventh and last known cause of that asks, what are the main categories of both life and non-life, aging is an entirely resistant cells, cells that overstay their cells avoid destruction by using the cell’s supplementary genes. Gene therapy is in its aging is general extracellular junk, the type age-related biochemical damage, and how chemical, non-mystical process of degra- welcome. There are three main types of cells protein synthesis machinery to build early stages, but has been used effectively that just floats around instead of linking can we fix them? The idea is not to eliminate dation with specific physical causes. Al- guilty of this offense. The first are visceral enzymes -- telomerase and ALT -- that to replace defective genes with functional together proteins. Most of these junk mol- the sources of age-related damage, but to though it is a matter of preference whether fat cells, fat cells that build up around our extend telomeres, and allow endless self- ones, helping cure genetic diseases. Re- ecules are called amyloids, and they build fix the damage fast enough so it doesn’t you consider aging a “disease” or not, from internal organs. These cause a progressive replication. Previous attempts at cancer search is under way to improve the process up in everyone, but are especially found accumulate and cause health problems. the perspective of the body, aging is like loss in our body’s ability to respond to cures target these enzymes, but WILT and test it with mice. in the brains of Alzheimer’s patients. The This is far easier than deciphering all the a disease -- a life-destroying biochemical nutrients from the stomach. Eventually, it proposes removing the very genes that The fifth cause of aging is intracellular main approach to dealing with this, already intricacies of the biochemistry of aging. phenomenon occurring in the body. And leads to Type 2 Diabetes. The second type contain the information necessary to junk. Cells synthesize, reconstruct, and de- being pursued by at least one company, is to Although some tentative engineering like diseases, aging is treatable. It is due to of cells is called senescent cells, cells that synthesize them. construct many thousands of different mol- stimulate the body’s immune cells to clear approaches to aging had been proposed be- We perish not because of have lost the ability to reproduce. These Removing the genes underlying the ...aging – besides out these molecules. There is a strong over- fore, it was de Grey who really fleshed it some internal clock that stick around, releasing proteins that are synthesis of telomerase will mean that all killing more than lap between treatments for Alzheimer’s and out, popularized it, and made it respectable. says, “Time to die now!,” dangerous to their neighbors. Thankfully, cancers will self-destruct before becom- 100,000 people per atherosclerosis and anti-aging treatments It’s no wonder that he has already raised they primarily aggregate in just one type ing a serious problem to their host, effec- that address this cause, so there seems to $10 million in funding for his organization, but because of a lack of of tissue, the cartilage between our joints. tively curing cancer. This is one of the most day; it makes us be significant momentum in the right di- the Methuselah Foundation. attention and self-healing A third type is a category of immune cells ambitious strands of the SENS plan. The suffer for years or rection. As de Grey points out, gerontologists mere neglect. called “memory cytotoxic T cells.” These challenge of this approach is that removing decades before it There may be other causes of aging have discovered seven biochemical causes build up faster than other immune cells these genes in all the tissues of the body kills us. that emerge after we have solved most of of aging. The last cause was discovered in the complexity and the aura of inevitability and refuse to go away, crowding out the will mean that the body’s natural cells will these seven. We’ll just have to wait and see. 1981, and considering how immensely far around aging that people have only recently other immune cells and eventually causing have a limited life span, as they will not ecules during the course of their operation. But if all these seven causes of aging were our knowledge of biology has come since begun to look at it this way. Some say that disease. There are two approaches to solving be capable of lengthening their telomeres. Every once in a while a cell ends up with eliminated, people could live a lot longer -- that time, it seems quite likely that these aging is something mandated by God, and these problems: inject something that To counteract this will require introducing a molecule so large or unusual that it has maybe even hundreds of years. That would seven causes are all of them. De Grey calls we have no right to mess with it, but these makes the unwanted cells commit suicide stem cells with renewed telomeres into the trouble breaking it up. If a molecule cannot buy us more time to develop new therapies these causes of aging the “Seven Deadly very same people have used this same argu- but doesn’t touch other cells, or stimulate body every decade or so. This has already be broken down by the “incinerator” of the to address the remaining sources of aging. Things.” They are: (1) cell loss, (2) death- ment throughout history to protest against the immune system to kill the target cells. been demonstrated in mice with cells of the cell, the lysosome, it stays there forever. In It’s hard to imagine why we wouldn’t resistant cells, (3) nuclear DNA mutations, vaccinations, the dissection of cadavers, The third cause of aging is mutations in blood and gut. Skin and lungs will be next. cells that don’t divide, this can build up to want to fight the scourge of aging -- be- (4) mitochondrial DNA mutations, (5) in- organ transplants, and numerous other the DNA of the nucleus, the center of every When this therapy is used to cure cancer in critical levels. This includes some cells in the sides killing more than 100,000 people per tracellular junk, (6) extracellular junk, and therapies or techniques of extreme medi- cell. Most of these mutations are entirely mice, tremendous resources will be pumped heart, the back of the eye, some nerve cells, day; it makes us suffer for years or decades (7) extracellular crosslinks. That’s it. If we cal value. Is it so radical to say that being harmless, as they only affect a few cells at into efforts to develop a therapy that works and white blood cells trapped in the walls before it kills us. Everyone is susceptible. find medicines or therapies that can clean healthy is a good thing, and that we should a time. These cells eventually die and are for humans. of arteries. This can cause diseases, such as Instead of seeing aging as inevitable, why up this damage, we could extend our lifes use whatever ethical strategies are available replaced with unmutated cells. Mutations The fourth cause of aging is mutations Alzheimer’s, Parkinson’s, macular degener- don’t we view it as a disease and search for pans to great lengths and achieve negligible to pursue that end? get dangerous when they lead to malignant in the mitochondria, the “power stations” ation (the leading cause of acquired blind- a cure? senescence in humans. Aubrey de Grey’s SENS plan is com- cells that self-replicate -- otherwise known of the cell. Mitochondria have their own ness), and atherosclerosis. To clean up in- A word on a philosophical point of plex and quite thorough. To examine it in as cancer. So, finding a cure for a cancer is a DNA, much less than that in the nucleus of tracellular junk, the SENS project proposes Michael Anissimov is a science writer. view: many world philosophies and re- full, I suggest looking at the website of the subtask of finding a cure for aging. Accord- the cell, but some of it is essential to synthe- equipping the lysosome with new enzymes, He blogs at accelerating future. ligions teach, or strongly imply, that the Methuselah Foundation, or getting his re- ing to de Grey, this is the most difficult part sizing the proteins that make it up. When thereby expanding the range of molecules it body depends on some immaterial animat- cent book, Ending Aging. But I will sum- of the strategy, because cancer is constantly the DNA is damaged, the mitochondria can break down, allowing it to digest even Resources ing force, a soul or chi, to give it life. Scien- marize the basics here. evolving to exploit us. break down. Mitochondrial DNA is espe- very large or unusual molecules. tists disagree: the functioning of the body The first cause of aging is cell loss, or There are several proposed approaches cially susceptible to damage because of two The sixth cause of aging is extracellular Can Turtles Live Forever seems entirely rooted in atoms, molecules, cell atrophy. For most of our lives, our bod- to finding a cure for cancer, but de Grey’s reasons. The first is that mitochondria, be- crosslinks, molecular garbage that accumu- discovermagazine.com/2002/jun/featturtle and forces between them. As recently as ies are programmed to replace cells when favored strategy is one called “Whole-body ing the site of cellular respiration, are heav- lates outside cells, linking together proteins Methusalah Foundation 1907, French philosopher Henri Bergeson they die. Our individual cells live much Interdiction of Lengthening of Telomeres” ily exposed to its by-products -- dangerous that otherwise slide smoothly over each www.methusalahfoundation.com wrote about an élan vital, or vital force, that shorter life spans than the body itself: some (WILT). The Methuselah Foundation’s free radicals. These react with the DNA, other. These can lead to some of the most animated all living things and drove their cells last a few years, others, like skin cells, website calls WILT “a very ambitious but causing it to mutate. The second is that mi- outwardly visible effects of aging: wrinkles Anissimov Blog evolution and development. This was close- a few weeks. All of them are constantly re- potentially far more comprehensive and tochondria lack the complex DNA-repair in tissue and the like. Fortunately, these www.acceleratingfuture.com/michael/blog ly connected to the idea, common at the generated using the body’s supply of stem long-term approach to combating cancer machinery found in the nucleus. crosslink molecules have chemical struc-
#1 #1 18 Fall 2008 Fall 2008 19 corporation, hoping – among other things Probing de Grey – to someday market cures for aging. And, in 1999, Cynthia Kenyon formed Elixer #,)#+å(%2% #,)#+å(%2% Matters Pharmaceuticals, a company that was even A conversation with Ending #RYONICS IS AN Aging author more explicitly dedicated to finding a phar- and Methuselah Foundation Chairman maceutical solution to the aging problem. Aubrey de Grey ATTEMPT TO During that same decade, a very lively com- &OR