« previous next »
« previous next »
 

Did you know?

The FDA recognizes 118 routes of administration.

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?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Female (doe) Female (doe)
Female African elephant with calf, in Kenya. Female African elephant with calf, in Kenya.
African Pygmy Goose - Female African Pygmy Goose - Female
Use an Automated External Defibrillator Use an Automated External Defibrillator
Male and female Lions (Panthera leo) Male and female Lions (Panthera leo)
How to impress a choosy female: Male fiddler crabs (top) wave their one enlarged claw to a attract a How to impress a choosy female: Male fiddler crabs (top) wave their one enlarged claw to a attract a
Video: Double Stranded DNA Molecule Animation

For a complete list of videos, visit our video library