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Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

A commercial fluorescent stain A commercial fluorescent stain
A parade for Grover Cleveland in Chicago in 1892, by John Klir. Music, mirth, real drama—a president A parade for Grover Cleveland in Chicago in 1892, by John Klir. Music, mirth, real drama—a president
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High school science classes are required to use deductive logic High school science classes are required to use deductive logic
Prove that each of the following real functions f has a discontinuity. For each function, ... Prove that each of the following real functions f has a discontinuity. For each function, ...
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