Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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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There are more nerve cells in one human brain than there are stars in the Milky Way.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum
lower digestive
Neuronal action potential.
A horizontally opposed engine design helps to lower the vehicle’s center of gravity.
An Enzyme in Action Enzymes speed up reactions in your body
The Upper (A) and Lower (B) Respiratory Tracts (2 of 2)