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Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.