« previous next »
« previous next »
 

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

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?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Most of the world’s remaining gorillas are western lowland gorillas. Most of the world’s remaining gorillas are western lowland gorillas.
Societal pressure to be thin can cause people to feel fat Societal pressure to be thin can cause people to feel fat
World Population, 10,000 B.C. to A.D. 2010 World Population, 10,000 B.C. to A.D. 2010
Cause of world war I Cause of world war I
When The World Stops Turning (Quiet Mix) When The World Stops Turning (Quiet Mix)
Video: Acid-base imbalances - respiratory acidosis and alkalosis

For a complete list of videos, visit our video library