« previous next »
« previous next »
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Looking at objects in nature is a great way to encourage joint attention and allows infants to learn ... Looking at objects in nature is a great way to encourage joint attention and allows infants to learn ...
Deviancy training is a process by which antisocial peers encourage antisocial talk among friends, ... Deviancy training is a process by which antisocial peers encourage antisocial talk among friends, ...
U.S. Patents and Patents per Million Residents, 2010 U.S. Patents and Patents per Million Residents, 2010
Fathers engage in physical play with infants more often than mothers do Fathers engage in physical play with infants more often than mothers do
Parents who have higher levels of education encourage their children to be educated Parents who have higher levels of education encourage their children to be educated
Competitive firms and maximization Competitive firms and maximization
Video: Gastrulation: cross section of the frog

For a complete list of videos, visit our video library