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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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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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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."

The swan neck flask experiment The swan neck flask experiment
Functional MRI Scans These scans of human brains show localized average increases in neural activity Functional MRI Scans These scans of human brains show localized average increases in neural activity
Three days after the Boston Marathon explosion, the FBI released this photograph that had been taken Three days after the Boston Marathon explosion, the FBI released this photograph that had been taken
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The end of a typical line wrench, which shows that it is capable of grasping most of the head of ... The end of a typical line wrench, which shows that it is capable of grasping most of the head of ...
Operation of a typical pulse generator (pickup coil). At the bottom is a line drawing of a typical ... Operation of a typical pulse generator (pickup coil). At the bottom is a line drawing of a typical ...
Video: Fermentation - When Oxygen Is Absent, Pyruvate to Lactate & Pyruvate to Ethanol

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