« previous next »
« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

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.

Risk of death from motorcycle accidents (dashed lines) and passenger accidents (solid lines) per 100 Risk of death from motorcycle accidents (dashed lines) and passenger accidents (solid lines) per 100
Dred Scott and his wife and children are featured on the cover of Frank Leslie’s Illustrated Newspap Dred Scott and his wife and children are featured on the cover of Frank Leslie’s Illustrated Newspap
A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan
Grace Service, a YMCA missionary, explained that these porters worked at the base of Mount Omei in S Grace Service, a YMCA missionary, explained that these porters worked at the base of Mount Omei in S
Passenger Space Oddity (David Bowie Cover) Passenger Space Oddity (David Bowie Cover)
An organizational specialist is hired as a consultant to a company planning to open a coffee ... An organizational specialist is hired as a consultant to a company planning to open a coffee ...
Video: Photosynthesis overview Animation

For a complete list of videos, visit our video library