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Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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

Mark Twain supplemented his income as a writer by giving humorous lectures. Mark Twain supplemented his income as a writer by giving humorous lectures.
Mark Rothko, Four Darks in Red. Mark Rothko, Four Darks in Red.
An Underwriters Laboratory mark. An Underwriters Laboratory mark.
This fanciful depiction of marital trends may not be too far off the mark. This fanciful depiction of marital trends may not be too far off the mark.
An accessory belt tensioner. Most tensioners have a mark that indicates normal operating location. ... An accessory belt tensioner. Most tensioners have a mark that indicates normal operating location. ...
How to convert verbal statements into algebraic equations (Part 4) How to convert verbal statements into algebraic equations (Part 4)
Video: Major Elements in Biological Molecules: Nucleic acids

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