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Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

The urinary system: kidneys, ureters, bladder, and urethra with expanded view of a nephron and the u The urinary system: kidneys, ureters, bladder, and urethra with expanded view of a nephron and the u
During drought years on the Galapagos, small, easily eaten seeds become rare, le During drought years on the Galapagos, small, easily eaten seeds become rare, le
Identification of the numbers in the Word Problem Identification of the numbers in the Word Problem
Respiratory system, Urinary and Nervous systems Respiratory system, Urinary and Nervous systems
Can chichenpox infection elevate the levels of cells? Can chichenpox infection elevate the levels of cells?
Gene-transfer processes in bacteria Gene-transfer processes in bacteria
Video: Cerebral Cortex Animation

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