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Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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The nucleotide cyclic AMP (cAMP), a common messenger molecule. The nucleotide cyclic AMP (cAMP), a common messenger molecule.
Sample inventory order form. Sample inventory order form.
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Video: Four Giant Convection Cells oF Earth

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