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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
![Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and](https://biology-forums.com/gallery/47/medium_33_09_09_11_10_08_14_1696693.jpeg)
![The crania, and especially the faces of KNM-ER 1813 and 1470, differ enough that some scientists inc](https://biology-forums.com/gallery/47/medium_275510_22_02_15_6_06_44_207742049.jpeg)