« previous next »
« previous next »
 

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

True-color view of Mars seen through NASA's Hubble Space Telescope in 1999 True-color view of Mars seen through NASA's Hubble Space Telescope in 1999
Lung Fissures, Anterior View Lung Fissures, Anterior View
Structures of the Abdomen: Posterior View Structures of the Abdomen: Posterior View
Aerial view, Colosseum, Rome. Aerial view, Colosseum, Rome.
Display is the only position to view the firing lines of all cylinders. Cylinder 1 is displayed on ... Display is the only position to view the firing lines of all cylinders. Cylinder 1 is displayed on ...
Dermatomes of body, anterior view Dermatomes of body, anterior view
Video: A timeline of the teeth (Explained - No Audio)

For a complete list of videos, visit our video library