« previous next »
« previous next »
 

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Rivers Are a Product of Their Watersheds Rivers Are a Product of Their Watersheds
Stand over a rocker base to make weight shifts. Stand over a rocker base to make weight shifts.
Typical Startup Cost Categories Cont. Typical Startup Cost Categories Cont.
Desired Fertility versus Total Fertility Rate in Developing Countries Desired Fertility versus Total Fertility Rate in Developing Countries
Agricultural Land as a Fraction of Total Wealth in the United Kingdom Agricultural Land as a Fraction of Total Wealth in the United Kingdom
To find the derivative use product rule To find the derivative use product rule
Video: How does asthma work?And How do you treat asthma?

For a complete list of videos, visit our video library