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Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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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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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Wegener’s Evidence for Continental Drift Wegener’s Evidence for Continental Drift
Vessel with birth scene, Peru, Moche culture. Vessel with birth scene, Peru, Moche culture.
Bloodstained evidence. Bloodstained evidence.
Foundations of evidence-based practice. Foundations of evidence-based practice.
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Visible evidence of mosaic tissues in a human female Visible evidence of mosaic tissues in a human female
Video: Stroke volume

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