« previous next »
« previous next »
 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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 use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Cross section of heart with pacemaker leads Cross section of heart with pacemaker leads
Toussaint L’Ouverture leads a revolt of slaves against the French in Haiti—the first and only major Toussaint L’Ouverture leads a revolt of slaves against the French in Haiti—the first and only major
This slave burial service, painted by John Antrobus in 1860, reflects an inversion of power relation This slave burial service, painted by John Antrobus in 1860, reflects an inversion of power relation
Prolonged abuse leads to production of stress hormones that can lead to a cascade of effects ... Prolonged abuse leads to production of stress hormones that can lead to a cascade of effects ...
Electrode placement for chest leads V1–V6. Electrode placement for chest leads V1–V6.
Using the voltmeter leads from a starting and charging test unit to measure the voltage drop ... Using the voltmeter leads from a starting and charging test unit to measure the voltage drop ...
Video: Bond types - Atomic structure and basis of bonds

For a complete list of videos, visit our video library