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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Diving bell spider (Argyroneta aquatica) Diving bell spider (Argyroneta aquatica)
The Phonognatha graeffei or leaf-curling spider's web serves both as a trap and as a way of mak The Phonognatha graeffei or leaf-curling spider's web serves both as a trap and as a way of mak
The ossicles of the middle ear along with the oval window and tympanic membrane. The ossicles of the middle ear along with the oval window and tympanic membrane.
garden spider garden spider
Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers
Scarred tympanic membrane Scarred tympanic membrane
Video: Appendicitis Animation

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