« previous next »
« previous next »
 

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Inheritance of an X-linked recessive disorder Inheritance of an X-linked recessive disorder
Young boy with characteristic nasal crease from the repeated action of the “nasal salute” caused ... Young boy with characteristic nasal crease from the repeated action of the “nasal salute” caused ...
Steric effects caused by ligand binding to the heme of myoglobin Steric effects caused by ligand binding to the heme of myoglobin
Bipolar disorder. Bipolar disorder.
Degenerative Diseases of the Central Nervous System Degenerative Diseases of the Central Nervous System
Spinal changes caused by osteoporosis. Spinal changes caused by osteoporosis.
Video: Gastrin (protein digestion)

For a complete list of videos, visit our video library