May 1 - Monday May 4 - Thursday
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The human retina has about 120 The human retina has about 6 million million rods. cones.
May 2 - Tuesday May 5 - Friday
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Amnesia is the loss of A mnemonic is a rhyme or phrase memory. that helps you remember.
May 3 - Wednesday May 6 - Saturday
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The state flower of Alaska is the The chemical that makes hot peppers "Forget-me-not" (Myosotis alpestris). hot is called capsaicin. May 7 - Sunday May 10 - Wednesday
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Some mushrooms contain chemicals The 1990s were declared "The that cause hallucinations. Decade of the Brain."
May 8 - Monday May 11 - Thursday
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The right and left hemispheres are The optic nerve is the connected by the corpus callosum. second cranial nerve.
May 9 - Tuesday May 12 - Friday
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The first eye bank in the US opened The brain is active on this day in New York City (1944). even during sleep. May 13 - Saturday May 16 - Tuesday
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Myelin helps speed the conduction of On average, men's brains weigh more action potentials. than women's brains.
May 14 - Sunday May 17 - Wednesday
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Aspirin was first Visible light has wavelengths synthesized in 1897. between 400 and 700 nm.
May 15 - Monday May 18 - Thursday
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The bumps on the surface of the The grooves on the surface of the brain are called "gyri." brain are called "sulci." May 19 - Friday May 22 - Monday
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There are over 1,000 disorders of the The brain of a goldfish makes up brain and nervous system. 0.3% of its total body weight.
May 20 - Saturday May 23 - Tuesday
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Julius Caesar was thought In the brain, collections of axons are to have had epilepsy. called tracts.
May 21 - Sunday May 24 - Wednesday
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In the brain, collections of neuron Cerebrospinal fluid is produced by cell bodies are called nuclei. the choroid plexus. May 25 - Thursday May 28 - Sunday
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Bats sleep about 20 hours The physiological study of laughter is each day. called "gelotology."
May 26 - Friday May 29 - Monday
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In the US, the penalty for possession A sea anenome has of 1 g of LSD is 5 years in prison. a nerve net.
May 27 - Saturday May 30 - Tuesday
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Chocolate causes the brain to The color of the eye is the result of produce natural opiates. pigmentation in the iris. May 31 - Wednesday
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Receptor cells in the taste buds live for only 1 to 2 weeks.