« previous next »
« previous next »
 

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 first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Territorial reef fish compete intensely for space. Territorial reef fish compete intensely for space.
One proposed timeline of the origin of space, from physical cosmology. One proposed timeline of the origin of space, from physical cosmology.
Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Mars from Hubble Space Telescope October 28, 2005 with dust storm visible. Mars from Hubble Space Telescope October 28, 2005 with dust storm visible.
The Pleiades, an open cluster of stars in the constellation of Taurus. These stars share a common mo The Pleiades, an open cluster of stars in the constellation of Taurus. These stars share a common mo
Spitzer Space Telescope Spitzer Space Telescope
Video: Ear Animation

For a complete list of videos, visit our video library