« previous next »
« previous next »
 

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Why did these young volunteers of the First Virginia Militia join the Confederate army in 1861? “It Why did these young volunteers of the First Virginia Militia join the Confederate army in 1861? “It
Country of Birth of Authorized U.S. Immigrants Country of Birth of Authorized U.S. Immigrants
Gradient Flow:Upper air moving from areas of higher pressure to areas of lower pressure undergo ... Gradient Flow:Upper air moving from areas of higher pressure to areas of lower pressure undergo ...
GDP per Capita by Country Group, 1820–2008 GDP per Capita by Country Group, 1820–2008
Parents who have higher levels of education encourage their children to be educated Parents who have higher levels of education encourage their children to be educated
Intraaortic balloon pump. The balloon deflates during systole, so cardiac output is unimpeded. Intraaortic balloon pump. The balloon deflates during systole, so cardiac output is unimpeded.
Video: Krebs cycle : Formation of acetyl coenzyme A and Electron transport chain

For a complete list of videos, visit our video library