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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

How phytochrome acts as a molecular light switch. How phytochrome acts as a molecular light switch.
A young Lipizzan at the Spanish Riding School in training equipment, wearing saddle, bridle and long A young Lipizzan at the Spanish Riding School in training equipment, wearing saddle, bridle and long
Nursing school Nursing school
Historical timeline of regulatory acts, standards, and organizations. Historical timeline of regulatory acts, standards, and organizations.
The ultimate foundation of any political order is violence, no more starkly demonstrated than when a ... The ultimate foundation of any political order is violence, no more starkly demonstrated than when a ...
The best thing about back to school The best thing about back to school
Video: Anaphylaxis Animation

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