« previous next »
« previous next »
 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

The events in inflammation. The events in inflammation.
Gurung people of Nepal Gurung people of Nepal
Many people consider the British statesman Winston Churchill (1874–1965) to be an exemplar of the ... Many people consider the British statesman Winston Churchill (1874–1965) to be an exemplar of the ...
Despite the globe’s vast social change, people all over the world continue to make race a ... Despite the globe’s vast social change, people all over the world continue to make race a ...
People in poor, urban areas often find themselves in “food deserts" People in poor, urban areas often find themselves in “food deserts"
The major events in meiosis in an animal cell with metaphase The major events in meiosis in an animal cell with metaphase
Video: Kinetic parameters & Kinetic experiment

For a complete list of videos, visit our video library