« previous next »
« previous next »
 

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?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Tropical savanna and grazers in Kenya. The tropical savanna landscape is partially maintained by per Tropical savanna and grazers in Kenya. The tropical savanna landscape is partially maintained by per
The spotted wobbegong is the largest wobbegong shark, reaching a length of around 3 m The spotted wobbegong is the largest wobbegong shark, reaching a length of around 3 m
A Whale shark, the world's largest fish, is classified as Vulnerable. A Whale shark, the world's largest fish, is classified as Vulnerable.
Largest Moth Largest Moth
Bonobo females form close alliances, maintained through sex, but these alliances are lacking in chim Bonobo females form close alliances, maintained through sex, but these alliances are lacking in chim
Many Native Americans have maintained continuous identity with their tribal roots. You can see the ... Many Native Americans have maintained continuous identity with their tribal roots. You can see the ...
Video: Types of Shock (Part 2 of 2)

For a complete list of videos, visit our video library