« previous next »
« previous next »
 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

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

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

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
Plastic in Ocean Plastic in Ocean
A stylized bathymetric profile of the ocean A stylized bathymetric profile of the ocean
Ocean currents around the Antarctic Ocean currents around the Antarctic
Variations in Ocean Water Temperature With Depth Variations in Ocean Water Temperature With Depth
Video: Deglutition

For a complete list of videos, visit our video library