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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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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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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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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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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Sequential decline of whale catches in the Antarctic shows the strong effect of human predators. Sequential decline of whale catches in the Antarctic shows the strong effect of human predators.
Cell culture in a Petri dish Cell culture in a Petri dish
Elefon helmet mask, Yoruba culture, Nigeria. Elefon helmet mask, Yoruba culture, Nigeria.
Soothing environments and familiar objects can help reduce behavioral problems with some dementia ... Soothing environments and familiar objects can help reduce behavioral problems with some dementia ...
Elements of Culture Elements of Culture
Art and culture Art and culture
Video: Photosynthesis overview Animation

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