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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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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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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Comparison of breast cancer and fibrocystic disease. (A) Breast with a malignant tumor growing in th Comparison of breast cancer and fibrocystic disease. (A) Breast with a malignant tumor growing in th
Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto
Pituitary gland function Pituitary gland function
Location of Thyroid Gland Location of Thyroid Gland
Cystic fibrosis is caused by a mutation in a protein called CFTR Cystic fibrosis is caused by a mutation in a protein called CFTR
Hypothalamus and Pituitary Gland Hypothalamus and Pituitary Gland
Video: Energy sources - types

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