« previous next »
« previous next »
 

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt. Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt.
Evidence for big game hunting by archaic H. sapiens is suggested by the excavations at the Boxgrove Evidence for big game hunting by archaic H. sapiens is suggested by the excavations at the Boxgrove
Burning-of-Atlanta scene from Gone with the Wind. Burning-of-Atlanta scene from Gone with the Wind.
Common skin signs are often evidence of an illness or disorder. A fissure is a crack-like sore or ... Common skin signs are often evidence of an illness or disorder. A fissure is a crack-like sore or ...
Evidence for the covalent intermediate in the mechanism of lysozyme Evidence for the covalent intermediate in the mechanism of lysozyme
Dynamic conformational changes in the catalytic cycle of dihydrofolate reductase Dynamic conformational changes in the catalytic cycle of dihydrofolate reductase
Video: Structures that affect circulation - kidneys, blood volume and venous tone

For a complete list of videos, visit our video library