« previous next »
« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

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?

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?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

A fire safety plan like RACE saves lives. A fire safety plan like RACE saves lives.
How to choose the right payment plan with changing conditions (Question 2) How to choose the right payment plan with changing conditions (Question 2)
Plan of the Megaron of the Pylos Palace Plan of the Megaron of the Pylos Palace
Plan of the Parthenon Plan of the Parthenon
Plan of The Pantheon Plan of The Pantheon
Body plan of a lancelet Body plan of a lancelet
Video: Sex-Linked Traits! How are eye colors inherited in fruit flies?

For a complete list of videos, visit our video library