« previous next »
« previous next »
 

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Components of the nervous system. Components of the nervous system.
Degenerative Diseases of the Central Nervous System Degenerative Diseases of the Central Nervous System
The experimental system that permits observation of rotation in the F1 component of F1F0 ATP synthas The experimental system that permits observation of rotation in the F1 component of F1F0 ATP synthas
The urinary system: Anterior view of the urinary organs of a female The urinary system: Anterior view of the urinary organs of a female
Autonomic innervation of the male reproductive system Autonomic innervation of the male reproductive system
Layout of the Nervous System Layout of the Nervous System
Video: Semidiscontinuous DNA replication

For a complete list of videos, visit our video library