There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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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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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Worldwide Use of Nuclear Energy
Energy changes in reactions.
Activation energy
Food Insecurity among Us—and How You Can Help!
Food policy can drive the food industry
Energy flow in the light-dependent reactions of photosynthesis