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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Did you know?
The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.