The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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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.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
The organization of nucleotide sequences in bacterial chromosomal DNA.
The light reactions and chemiosmosis: the organization of the thylakoid membrane.
Human body: levels of organization.
Membership in this subculture is not easily awarded. Not only must high-steel ironworkers prove that ...
When a Tornado Strikes: Social Organization Following a Natural Disaster
TASTE: More Matters: Include Fruit and Vegetables in Meals and Snacks