« previous next »
« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

ribbon snake ribbon snake
A Subtitle C Landfill Design A Subtitle C Landfill Design
Working with the feet Working with the feet
How to find the first and second differences for any table of values How to find the first and second differences for any table of values
Consumerism and Sustainability: Food from Farm to Table Consumerism and Sustainability: Food from Farm to Table
Modern house door design Modern house door design
Video: Automated external defibrillator (AED)

For a complete list of videos, visit our video library