« previous next »
« previous next »
 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

The FDA recognizes 118 routes of administration.

Functional groups Functional groups
The proportion of U.S. adults in the workforce has increased slightly for older age groups over the ... The proportion of U.S. adults in the workforce has increased slightly for older age groups over the ...
Funeral Rituals and Practices among U.S. Cultural Groups Funeral Rituals and Practices among U.S. Cultural Groups
Economic and Social Development Economic and Social Development
Energy Use by Different Country Groups Energy Use by Different Country Groups
My brain in social media and studies My brain in social media and studies
Video: DNA close up Animation

For a complete list of videos, visit our video library