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Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

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Women are 50% to 75% more likely than men to experience an adverse drug reaction.

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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

To travel quickly, killer whales leap out of the water when swimming—a behaviour kn To travel quickly, killer whales leap out of the water when swimming—a behaviour kn
Cheirurus sp., middle Ordovician age, Volkhov River, Russia Cheirurus sp., middle Ordovician age, Volkhov River, Russia
The Black Death spread over much of Europe in a three-year period in the middle of the fourteenth ce The Black Death spread over much of Europe in a three-year period in the middle of the fourteenth ce
In middle childhood, children are increasingly able to understand other people’s thoughts, ... In middle childhood, children are increasingly able to understand other people’s thoughts, ...
This pediatric growth chart tracks the height and weight for girls ages 2–20. This pediatric growth chart tracks the height and weight for girls ages 2–20.
Processes of the Middle and Upper Troposphere: Rossby Waves and Vorticity Processes of the Middle and Upper Troposphere: Rossby Waves and Vorticity
Video: The Krebs Cycle Animation

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