« previous next »
« previous next »
 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

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.

René Descartes (1596–1650). French philosopher considered the founder of modern philosophy. A ... René Descartes (1596–1650). French philosopher considered the founder of modern philosophy. A ...
Immanuel Kant (1724–1804). German philosopher considered by many to be the greatest thinker of the ... Immanuel Kant (1724–1804). German philosopher considered by many to be the greatest thinker of the ...
Many seniors pursue new careers, education, and hobbies well beyond what used to be considered ... Many seniors pursue new careers, education, and hobbies well beyond what used to be considered ...
How Safe Is Your State? Violent Crime in the United States How Safe Is Your State? Violent Crime in the United States
Aging is more than biology. In some cultures, Jennifer Lopez, 43, would be considered elderly. Lopez ... Aging is more than biology. In some cultures, Jennifer Lopez, 43, would be considered elderly. Lopez ...
Crime Control in America: What Works?, 4th Edition Crime Control in America: What Works?, 4th Edition
Video: Tuberculosis Testing

For a complete list of videos, visit our video library