The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
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The average adult has about 21 square feet of skin.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
Hydrogen bonding of water with itself and with other compounds
Compounds
Compounds
Hydrolysis reactions for some biochemically important phosphate compounds (part 1)
Hydrolysis reactions for some biochemically important phosphate compounds (part 2)