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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
Did you know?
Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.