« previous next »
« previous next »
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

This white pine (Pinus strobus), towering above the canopy in Algonquin Provincial Park, is an examp This white pine (Pinus strobus), towering above the canopy in Algonquin Provincial Park, is an examp
scanning electron micrograph showing an ovum (pink) released by the ovary at ovulation surrounded by scanning electron micrograph showing an ovum (pink) released by the ovary at ovulation surrounded by
Sirius and Its White Dwarf Companion Sirius and Its White Dwarf Companion
A sod house in North Dakota, 1896. Individual “bricks” of sod were hewn from the ground and stacked A sod house in North Dakota, 1896. Individual “bricks” of sod were hewn from the ground and stacked
Whites pour mustard and ketchup over black (and white) students who were integrating a lunch counter ... Whites pour mustard and ketchup over black (and white) students who were integrating a lunch counter ...
Video: SNP Polymorphysim Microarray Chip - How to Test a Person's DNA

For a complete list of videos, visit our video library