Ask unlimited questions for free
In 1864, the first barbiturate (barbituric acid) was synthesized.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
The longest a person has survived after a heart transplant is 24 years.
On average, the stomach produces 2 L of hydrochloric acid per day.
Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
For a complete list of videos, visit our video library