« previous next »
« previous next »
 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Hare running in open field Hare running in open field
Start the vehicle’s engine and let run at 1000–1500 RPM. The engine is now running on fuel ... Start the vehicle’s engine and let run at 1000–1500 RPM. The engine is now running on fuel ...
Lattice Parameter Relationships and Figures Showing Unit Cell Geometries for the Seven Crystal Syste Lattice Parameter Relationships and Figures Showing Unit Cell Geometries for the Seven Crystal Syste
A free-running circadian sleep–wake cycle 25.3 hours in duration. Despite living in an unchanging ... A free-running circadian sleep–wake cycle 25.3 hours in duration. Despite living in an unchanging ...
Diagnostic Criteria for Eating Disorders Diagnostic Criteria for Eating Disorders
Criteria for Trauma Center Designation Criteria for Trauma Center Designation
Video: Dorsal Recumbent Position

For a complete list of videos, visit our video library