« previous next »
« previous next »
 

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Manganese helps Deinococcus radiodurans to avoid radiation damage. Manganese helps Deinococcus radiodurans to avoid radiation damage.
Adaptive radiation in stickleback fish. Adaptive radiation in stickleback fish.
Responses to Sound Waves Responses to Sound Waves
Simple harmonic motion also forms the basis for understanding mechanical waves Simple harmonic motion also forms the basis for understanding mechanical waves
Processes of the Middle and Upper Troposphere: Rossby Waves and Vorticity Processes of the Middle and Upper Troposphere: Rossby Waves and Vorticity
Waves Approaching the Shore Waves Approaching the Shore
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

For a complete list of videos, visit our video library