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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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In 1864, the first barbiturate (barbituric acid) was synthesized.

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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.

Coleman's parabiosis experiments revealed a satiety factor in wild-type mice that was absent or Coleman's parabiosis experiments revealed a satiety factor in wild-type mice that was absent or
Distribution of bonding and outer nonbonding electrons in the peptide group Distribution of bonding and outer nonbonding electrons in the peptide group
L-type calcium channel: (a) Calcium channel opens when an action potential passes across the ... L-type calcium channel: (a) Calcium channel opens when an action potential passes across the ...
Most conventional zirconia oxygen sensors and some wide-band oxygen sensors use the cup-type ... Most conventional zirconia oxygen sensors and some wide-band oxygen sensors use the cup-type ...
Comparison of D-type Climates Comparison of D-type Climates
Free-swimming tunicate larva Free-swimming tunicate larva
Video: Medullary osmotic gradient - influencing factors

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