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Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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The average office desk has 400 times more bacteria on it than a toilet.

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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.

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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.

Medicinal leeches on a patient’s neck. Today leeches are sometimes used in microsurgery to prevent b Medicinal leeches on a patient’s neck. Today leeches are sometimes used in microsurgery to prevent b
The Yorktown Campaign, April to September 1781 The Yorktown Campaign, April to September 1781
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
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If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
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Video: Dietary Cholesterol & LDL

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