« previous next »
« previous next »
 

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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
The Influence of the September 11, 2001 Terrorist Attacks on Dream Content The Influence of the September 11, 2001 Terrorist Attacks on Dream Content
September 11, 2001. September 11, 2001.
People who share genes will often have similar body weights People who share genes will often have similar body weights
Share of Hours Worked by Education Level, 1940–2008 Share of Hours Worked by Education Level, 1940–2008
Identical twins (monozygotic twins) have the same sex and share a single genotype. Identical twins (monozygotic twins) have the same sex and share a single genotype.
Video: Inflammation Animation

For a complete list of videos, visit our video library