« previous next »
« previous next »
 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Zebras are several species of African equids (horse family) united by their distinctive black and wh Zebras are several species of African equids (horse family) united by their distinctive black and wh
Protoneuridae is a family of damselflies. Most species are commonly known as threadtails, while othe Protoneuridae is a family of damselflies. Most species are commonly known as threadtails, while othe
Pseudostigmatidae is a family of tropical damselflies, known as helicopter damselflies, giant damsel Pseudostigmatidae is a family of tropical damselflies, known as helicopter damselflies, giant damsel
The Mulleta family of Ethiopia, described in the opening vignette. The Mulleta family of Ethiopia, described in the opening vignette.
There is no such thing as the African American family, any more than there is the Native American, ... There is no such thing as the African American family, any more than there is the Native American, ...
Apple's Family Apple's Family
Video: Contraction and Relaxation Animation

For a complete list of videos, visit our video library