« previous next »
« previous next »
 

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

There are several laws of thermodynamics critical to understanding physical processes. Two of those There are several laws of thermodynamics critical to understanding physical processes. Two of those
Deficient knowledge surgical procedures Deficient knowledge surgical procedures
Laws Governing Collection Laws Governing Collection
How to evaluate limits using algebra and the limit laws (Part 2) How to evaluate limits using algebra and the limit laws (Part 2)
Saving Rates by Income Quintile, 2003 Saving Rates by Income Quintile, 2003
Philip wants to supplement his pension by $415 per month with income from his investments. His ... Philip wants to supplement his pension by $415 per month with income from his investments. His ...
Video: Energy sources - types

For a complete list of videos, visit our video library