There are more bacteria in your mouth than there are people in the world.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.
Snow crystal
Formed elements of blood: erythrocytes, leukocytes (neutrophils, eosinophils, basophils, lymphocytes
Jaguar F-type back
The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust
Andean-Type Mountain Building
Calculation of the probabilities in a mating involving the ABO blood type