|
|
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).
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
Medication errors are more common among seriously ill patients than with those with minor conditions.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.