Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
