Showing 1-11 of 11 assets

It's a Wash: The Chemistry of Soap

Date : 09/13/2011

Clip Length : 00:05:48

This NBC Learn video explains how soaps and detergents work to break up grease and dirt on soiled surfaces, by breaking water's surface tension and suspending dirt and oil particles in water so it can be wiped away.

It's a Wash: The Chemistry of Soap
Infectious Diseases

Date : 04/20/2011

Clip Length : 00:04:56

With the threat of a warmer, wetter world and a larger global population, scientists are researching how climate change may impact the spread of infectious diseases, such as cholera and dengue fever, and how outbreaks may be prevented.  "Changing Planet" is produced in partnership with the National Science Foundation.

Infectious Diseases
A Germ-Hunter Takes Swabs from Everyday Surfaces: How Dirty Is What We Touch?

Date : 02/15/2005

Clip Length : 00:05:00

New York University Director of Clinical Microbiology, Dr. Philip Tierno, takes swabs and cultures bacteria on several surfaces that NBC's Matt Lauer touches, and gives instruction on the proper way to wash your hands.

A Germ-Hunter Takes Swabs from Everyday Surfaces: How Dirty Is What We Touch?

Date : 01/01/2011

Clip Length : 1

This fact sheet on hand-washing from the Centers for Disease control lists all the times when you should wash your hands, and details how to wash your hands, to stop the spread of germs and stay healthy.

"Stop Germs! Wash Your Hands!" CDC Hand-Washing Fact Sheet
Soap Opera

Date : 08/31/1998

Clip Length : 1

This 1998 "Scientific American" article reports on how scientists are studying soap bubbles to better understand turbulence in two dimensions. A greater understanding of soap films could be the key to understanding flow patterns in deep ocean currents and other phenomena. Source: Scientific American, August 31, 1998.

Soap Opera
Timeline: A History of Soap and Detergents

Date : 01/01/2011

Clip Length : 2

A timeline charting selected milestones in the history of soap, detergents and cleaning products, from ancient Babylon and Egypt, to the development of eco-friendly "green" detergents in the 21st century.

Timeline: A History of Soap and Detergents
Making Soap By Hand: 3 Photos (1900, 1939, 1941)

Date : 01/01/1900

Clip Length : 3

Three photographs of women making soap by hand -- common practice in the much of the rural U.S. through World War II: (1) woman makes soap over wood fire in Henryville, PA, 1900; (2) woman empties pail of grease into kettle to make soap in Taos County, NM, 1939; (3) Mrs. L. Smith making her own soap on family farm in Carroll County, GA, 1941. Source: Library of Congress

Making Soap By Hand: 3 Photos (1900, 1939, 1941)
Five Victorian-Era Soap Recipes (1872)

Date : 01/01/1872

Clip Length : 2

Victorian-era recipes for making rosin (or yellow) soap; palm soap, cinnamon soap, orange flower soap and honey soap; from "A Dictionary of Every-day Wants," 1872

Five Victorian-Era Soap Recipes (1872)
Georgia Tech Chemist Works to Detect

Date : 08/30/2011

Clip Length : 00:04:24

In this 21st Century Chemist profile, Georgia Tech University chemist Facundo Fernandez explains his efforts to detect worthless or harmful counterfeit medications -- eventually using a hand-held device, he hopes. Worldwide, an estimated 700,000 people a year die from counterfeit malaria and TB drugs.

Georgia Tech Chemist Works to Detect "Fake" Medicines
Dangerous Fake Drugs Turning Up On Drugstore Shelves

Date : 01/11/2004

Clip Length : 00:02:25

The FDA says the number of counterfeit drugs and medicines on the market has quadrupled in the U.S. The fakes -- many manufactured overseas and distributed by organized crime rings -- are hard to detect.

Dangerous Fake Drugs Turning Up On Drugstore Shelves
Fake and Poor Quality Drugs Plague Developing Countries

Date : 06/20/2001

Clip Length : 1

This 2001 "Scientific American" article reports on substandard and counterfeit or fake drugs and medicines, especially antimalarials, being sold and used in developing countries in Africa and Southeast Asia. Source: Scientific American, June 20, 2001.

Fake and Poor Quality Drugs Plague Developing Countries

Showing 1-11 of 11 assets

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