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Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

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.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Some of the fastest growing religions in America are non-Judeo-Christian religions. This photograph Some of the fastest growing religions in America are non-Judeo-Christian religions. This photograph
Amazing NASA Pictures Collection Amazing NASA Pictures Collection
The New Yorker Collection 2004 Carolita Johnson from cartoonbank.com. The New Yorker Collection 2004 Carolita Johnson from cartoonbank.com.
Good body mechanics for lifting heavy objects. Good body mechanics for lifting heavy objects.
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