« previous next »
« previous next »
 

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Experimental evidence of the effect of allelochemicals on plant production. Experimental evidence of the effect of allelochemicals on plant production.
(a) Age of maturity of Atlantic cod decreased during the fishery collapse. (b) Evidence of maturatio (a) Age of maturity of Atlantic cod decreased during the fishery collapse. (b) Evidence of maturatio
Evidence that Light Travels at a Finite Speed Evidence that Light Travels at a Finite Speed
Age-Crime Relationship in (a) 1842 and (b) 1992 Age-Crime Relationship in (a) 1842 and (b) 1992
Common skin signs are often evidence of an illness or disorder. An erosion or ulcer is an eating or ... Common skin signs are often evidence of an illness or disorder. An erosion or ulcer is an eating or ...
Visible evidence of mosaic tissues in a human female Visible evidence of mosaic tissues in a human female
Video: Properties of macromolecules (Explained with No Audio)

For a complete list of videos, visit our video library