Did you know?
Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
Did you know?
Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
Did you know?
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
Did you know?
The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Structure of a typical plant cell
Success Poster
Jane Addams (1860–1935), a recipient of the Nobel Prize for Peace, worked on behalf of poor ...
Cutaway view of a typical alternator.
Typical timing marks. The numbers of the degrees are on the stationary plate and the notch is on ...
Bell’s palsy, showing typical drooping of one side of the face.