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Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

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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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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

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Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

A female parent with ducklings in Richmond Park, London, England A female parent with ducklings in Richmond Park, London, England
Mendel's breeding program that produced a 9 : 3 : 3 : 1 ratio Mendel's breeding program that produced a 9 : 3 : 3 : 1 ratio
Cooperative vs. noncooperative O2-binding curves Cooperative vs. noncooperative O2-binding curves
Venera Program Collage Venera Program Collage
Heterozygous female parent Heterozygous female parent
Cooperative Care: A pair of Caspian terns cooperate in caring for their chick. Cooperative Care: A pair of Caspian terns cooperate in caring for their chick.
Video: Glucose Evaluation Procedure

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