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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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There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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If you could remove all of your skin, it would weigh up to 5 pounds.

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Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Modifications that occur at the ends of mRNA in eukaryotic cells. Modifications that occur at the ends of mRNA in eukaryotic cells.
Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial
Nephrolithiasis. Stones, or calculi, may form in several areas within the urinary tract. When they f Nephrolithiasis. Stones, or calculi, may form in several areas within the urinary tract. When they f
The nonionic form does not occur in significant amounts in aqueous solutions The nonionic form does not occur in significant amounts in aqueous solutions
Temperature Means and Ranges Temperature Means and Ranges
Diverticula Diverticula are small pouches that can occur along your colon Diverticula Diverticula are small pouches that can occur along your colon
Video: Condensation and Hydrolysis Animation

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