« previous next »
« previous next »
 

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Dirty Duncan Dirty Duncan
Chemical Warfare Agents and Treatments Chemical Warfare Agents and Treatments
Chemical Warfare Agents and Treatments Chemical Warfare Agents and Treatments
An eleven-megaton hyrdrogen bomb is detonated over Bikini Atoll in March 1954. One megaton had the ... An eleven-megaton hyrdrogen bomb is detonated over Bikini Atoll in March 1954. One megaton had the ...
Radiological Modalities (Methods) Radiological Modalities (Methods)
John Mayer - Heartbreak Warfare (Video) John Mayer - Heartbreak Warfare (Video)
Video: Gastrin (protein digestion)

For a complete list of videos, visit our video library