« previous next »
« previous next »
 

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

The thick bark of the cork oak of the Mediterranean region protects the tree from fire. The thick bark of the cork oak of the Mediterranean region protects the tree from fire.
The anatomical position: standing erect, gazing straight ahead, arms down at sides, palms facing for The anatomical position: standing erect, gazing straight ahead, arms down at sides, palms facing for
Body Region Terms Body Region Terms
The “Old Man” of Cro-Magnon, from the Dordogne region of France. The “Old Man” of Cro-Magnon, from the Dordogne region of France.
Aquifer Depletion Aquifer Depletion
A propaganda poster enshrining Stalin proclaims that he has led his people “Forward to ... A propaganda poster enshrining Stalin proclaims that he has led his people “Forward to ...
Video: Burn Animation

For a complete list of videos, visit our video library