« 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?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Balloon angioplasty: (A) deflated balloon catheter is approaching an atherosclerotic plaque; (B) pla Balloon angioplasty: (A) deflated balloon catheter is approaching an atherosclerotic plaque; (B) pla
The information coded in DNA The information coded in DNA
Transdermal patch administration: (a) protective coating removed from patch Transdermal patch administration: (a) protective coating removed from patch
Burial caves from Mangaia, Cook Islands, document the changing patterns of mortuary ritual. Burial caves from Mangaia, Cook Islands, document the changing patterns of mortuary ritual.
States and territories that have adopted their own version of HAZWOPER for all workers are shown in ... States and territories that have adopted their own version of HAZWOPER for all workers are shown in ...
Chemicals can adversely affect personal protective equipment (PPE) in three ways: They can permeate ... Chemicals can adversely affect personal protective equipment (PPE) in three ways: They can permeate ...
Video: Cellular slime mold life cycle Animation

For a complete list of videos, visit our video library