« previous next »
« previous next »
 

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Hypothetical stages in the evolution of seeds. Hypothetical stages in the evolution of seeds.
The sites of early embryonic development in mammals. The sites of early embryonic development in mammals.
Stages of a Neurospora cross Stages of a Neurospora cross
Early instructions for administration of the small pox vaccine. Early instructions for administration of the small pox vaccine.
Pressure Ulcer Stages Pressure Ulcer Stages
The time spent in each interval of one complete cell cycle of a human cell in culture The time spent in each interval of one complete cell cycle of a human cell in culture
Video: Autonomic Nervous System Animation

For a complete list of videos, visit our video library