« previous next »
« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

A recessive lethal allele, yellow coat A recessive lethal allele, yellow coat
Taste regions of the tongue. Taste regions of the tongue.
Our species’ ability to form social bonds and be loyal and cooperative within our “tribe” may ... Our species’ ability to form social bonds and be loyal and cooperative within our “tribe” may ...
The sense of taste. Note: taste buds are located on the anterior and posterior portions of the ... The sense of taste. Note: taste buds are located on the anterior and posterior portions of the ...
"Strawberry tongue" and circumoral pallor in scarlet fever. "Strawberry tongue" and circumoral pallor in scarlet fever.
A deficiency of linoleic acid can interfere with normal growth and result in inflammation A deficiency of linoleic acid can interfere with normal growth and result in inflammation
Video: Proteins

For a complete list of videos, visit our video library