Ask unlimited questions for free
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
The average office desk has 400 times more bacteria on it than a toilet.
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
Approximately 500,000 babies are born each year in the United States to teenage mothers.
There are 60,000 miles of blood vessels in every adult human.
For a complete list of videos, visit our video library