« previous next »
« previous next »
 

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Lithotripsy. The direction of a sound pulse crushes the stones into smaller fragments that can be pa Lithotripsy. The direction of a sound pulse crushes the stones into smaller fragments that can be pa
This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f
Primary causes of chronic liver disease in the United States. Primary causes of chronic liver disease in the United States.
Areas of the United States, Mexico, and Cuba will be affected by a rise of just 100 cm Areas of the United States, Mexico, and Cuba will be affected by a rise of just 100 cm
Approximately 40 percent of farmers in the United States are 55 years old or older Approximately 40 percent of farmers in the United States are 55 years old or older
GDP per Capita in the United States, 1870–2009 GDP per Capita in the United States, 1870–2009
Video: PET Scan Animation

For a complete list of videos, visit our video library