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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.
Did you know?
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.