« previous next »
« previous next »
 

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

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.

Controlled Experiments Manipulate a Variable Controlled Experiments Manipulate a Variable
The asymmetrical appearance of Mira, an oscillating variable star. The asymmetrical appearance of Mira, an oscillating variable star.
How to rearrange formulas to isolate for a variable (Part 2) How to rearrange formulas to isolate for a variable (Part 2)
Variable expressivity as shown in flies homozygous for the eyeless mutation in Drosophila Variable expressivity as shown in flies homozygous for the eyeless mutation in Drosophila
Summary of Single Variable Discrete Models Summary of Single Variable Discrete Models
Variable penetrance of mitochondrial mutations Variable penetrance of mitochondrial mutations
Video: Neuron Type Animation

For a complete list of videos, visit our video library