« previous next »
« previous next »
 

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

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.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Alzheimer’s Drugs Work by Intensifying the Effect of Acetylcholine at the Receptor Alzheimer’s Drugs Work by Intensifying the Effect of Acetylcholine at the Receptor
Work and Gender: Women at Work in India Work and Gender: Women at Work in India
A summary of the major processes in information restructuring of DNA A summary of the major processes in information restructuring of DNA
What’s a Menstrual Cup and How Does It Work? What’s a Menstrual Cup and How Does It Work?
A system absorbs 623 J of heat while doing 457 J of work. What is the value of U? A system absorbs 623 J of heat while doing 457 J of work. What is the value of U?
How do resultant force work among different angles? How do resultant force work among different angles?
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

For a complete list of videos, visit our video library