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Did you know?
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Did you know?
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.