« previous next »
« previous next »
 

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

The main events of mitosis and meiosis The main events of mitosis and meiosis
Main symptoms of AIDS Main symptoms of AIDS
Pre–Main-Sequence Stars Pre–Main-Sequence Stars
Post–Main-Sequence Evolution of Low-Mass Stars Post–Main-Sequence Evolution of Low-Mass Stars
Alternative methods for locating the CPT Main Term. Alternative methods for locating the CPT Main Term.
Targeting female fetuses for abortion has become a main issue of the emerging feminist movement in ... Targeting female fetuses for abortion has become a main issue of the emerging feminist movement in ...
Video: Hierarchical Sequencing Method - Sequence Tagged Sites

For a complete list of videos, visit our video library