More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
Did you know?
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Did you know?
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
Adult male tortoise, South Africa
Sources of ring atoms
Miocene apes were found throughout Europe, continental Asia, and Africa.
Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo