« previous next »
« previous next »
 

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Secondary meristems generate wood and bark. Secondary meristems generate wood and bark.
Many thought ideological politics was over in the United States, but 2012 showed strong ideological Many thought ideological politics was over in the United States, but 2012 showed strong ideological
For millions of people, the United States represents a land of opportunity and freedom from ... For millions of people, the United States represents a land of opportunity and freedom from ...
Cohabitation in the United States Cohabitation in the United States
Examples of Muds and Clays from the United States and Around the World Examples of Muds and Clays from the United States and Around the World
The Lorenz Curve for the United States, 2009 The Lorenz Curve for the United States, 2009
Video: Muscular Dystrophy

For a complete list of videos, visit our video library