« previous next »
« previous next »
 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

A stallion with a proven competition record is one criterion for being a suitable sire. A stallion with a proven competition record is one criterion for being a suitable sire.
Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo
Commons Abbreviations for Weights and Measures Commons Abbreviations for Weights and Measures
The effect of selection on allele frequency The effect of selection on allele frequency
Three Modes of Natural Selection Three Modes of Natural Selection
Sexual Selection: Stalk-Eyed Flies Sexual Selection: Stalk-Eyed Flies
Video: Inflammation and Fever

For a complete list of videos, visit our video library