« previous next »
« previous next »
 

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it. In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th
Protest and Rebellion Protest and Rebellion
The wide distribution of left hemisphere sites where cortical stimulation either blocked speech or ... The wide distribution of left hemisphere sites where cortical stimulation either blocked speech or ...
Government Corruption versus GDP per Capita, 2009 Government Corruption versus GDP per Capita, 2009
Video: Oral Hygiene & Braces Animation

For a complete list of videos, visit our video library