|
|
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
Did you know?
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.