« previous next »
« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Motion of the barycenter of the Solar System relative to the Sun Motion of the barycenter of the Solar System relative to the Sun
Neurological Flow Sheet, Including Glasgow Coma Scale Neurological Flow Sheet, Including Glasgow Coma Scale
The Impact of Reduction Campaigns on Sids Rates The Impact of Reduction Campaigns on Sids Rates
Infant Mortality Rates Worldwide Infant Mortality Rates Worldwide
How Axis Tilt Affects the Intensity of Solar Radiation How Axis Tilt Affects the Intensity of Solar Radiation
A comparison of adiabatic and environmental cooling rates. A comparison of adiabatic and environmental cooling rates.
Video: Interview with Person having Obsessive Compulsive Disorder

For a complete list of videos, visit our video library