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There are more nerve cells in one human brain than there are stars in the Milky Way.

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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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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

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Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

This young child is pulling at the ear and acting fussy, two important signs of otitis media. This young child is pulling at the ear and acting fussy, two important signs of otitis media.
Inheritance of the sickle cell trait and sickle cell anemia. Inheritance of the sickle cell trait and sickle cell anemia.
iron iron
It is important that parents repeat safety rules to preschoolers and monitor compliance with rules. It is important that parents repeat safety rules to preschoolers and monitor compliance with rules.
Preventing Claim Form Rejection Preventing Claim Form Rejection
Important Trace Elements in the Body Important Trace Elements in the Body
Video: DNA fingerprinting Animation

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