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Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
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).