« previous next »
« previous next »
 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Language tree Language tree
Language Access Services Language Access Services
Symbolic language may have helped reinforce exclusive sexual relationships within social groups in l Symbolic language may have helped reinforce exclusive sexual relationships within social groups in l
Age and Grammatical Knowledge The challenge of learning a second language rises with age. Source: J Age and Grammatical Knowledge The challenge of learning a second language rises with age. Source: J
Proteins are built from amino acids Proteins are built from amino acids
Linear programming problems using the simplex method. Linear programming problems using the simplex method.
Video: Morphology of a tomato plant

For a complete list of videos, visit our video library