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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Differences in the number and location of flagella. Differences in the number and location of flagella.
Price of Computers, 1982–2010 Price of Computers, 1982–2010
Drawings depicting mitosis in an animal cell with a diploid number of 4 Drawings depicting mitosis in an animal cell with a diploid number of 4
The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ... The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ...
physics question number 5 - moving conductors physics question number 5 - moving conductors
Number of cells in the brain Number of cells in the brain
Video: Body plan of euglena Animation

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