« previous next »
« previous next »
 

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

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

Phylogeny based on the FIT2 gene Phylogeny based on the FIT2 gene
Milestones of Gross Motor Development in Infancy Age ranges provided are for 90% of American infant Milestones of Gross Motor Development in Infancy Age ranges provided are for 90% of American infant
Health Risks Associated with Levels of Body Fat Health Risks Associated with Levels of Body Fat
Checking the freezing and boiling protection levels of the coolant using a hydrometer. Checking the freezing and boiling protection levels of the coolant using a hydrometer.
Common Fluoride Products Common Fluoride Products
IPCC models are based on projections of growth IPCC models are based on projections of growth
Video: Decubitus Ulcer

For a complete list of videos, visit our video library