« previous next »
« previous next »
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

This is a still image from an animation of ocean surface currents from June 2005 to December 2007 This is a still image from an animation of ocean surface currents from June 2005 to December 2007
3D image of a melanoma cell 3D image of a melanoma cell
Mosaic image of the lunar south pole of the Moon Mosaic image of the lunar south pole of the Moon
Children can fast map the meanings of words in a single exposure. Children can fast map the meanings of words in a single exposure.
A waveform of a typical digital MAP sensor. A waveform of a typical digital MAP sensor.
Examples of Human Disorders Caused by Single-Gene Mutations Examples of Human Disorders Caused by Single-Gene Mutations
Video: Bone elongation - processes at the epiphyseal plate

For a complete list of videos, visit our video library