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The average office desk has 400 times more bacteria on it than a toilet.
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.
![Coral reefs, such as this one in the Red Sea, support some of the most diverse assemblages of organi](https://biology-forums.com/gallery/47/medium_33_28_08_11_12_08_58_15741158.jpeg)
![Many Native Americans have maintained continuous identity with their tribal roots. You can see the ...](https://biology-forums.com/gallery/27/medium_660366_14_04_17_2_13_59_277571380.png)