Showing 1-11 of 11 assets

Chance Discoveries: Cellophane

Date : 12/06/2011

Clip Length : 

This NBC Learn video, part of a series on "Chance Discoveries" in chemistry, traces the development of cellophane from liquid viscous cellulose, applied to fabric to protect from stains, to a thin clear film first used as a luxury gift wrap and after it was made moisture-proof, as a fundamental form of protective yet transparent food packaging.

Chance Discoveries: Cellophane
4 Technologies To Protect Our Food Supply

Date : 02/19/2009

Clip Length : 2

This 2007 Scientific American article summarizes food packaging technologies being developed to better track and safeguard food supplies -- including biosensors that can detect tampering or spoilage, and "edible tags" that can be printed directly onto vegetables and fruit. Source: Scientific American, February 19, 2009 (originally published in September of 2007)

4 Technologies To Protect Our Food Supply

Date : 01/01/1954

Clip Length : 

Short excerpt from "Out of This World," a 1954 sales training film outlining importance of cellophane as transparent yet protective food wrapping for the convenience of housewives doing grocery shopping.

"Out of This World"--1954 DuPont Film on Cellophane Food Wrap

Date : 12/06/2011

Clip Length : 10

Slideshow of 10 vintage magazine advertisements for DuPont's cellophane, produced between 1919 and 1958, and highlighting cellophane's qualities as a wrapping for Christmas gifts, and protective yet transparent packaging material for candy, bread, meat and other foods.

"At Its Best in Cellophane!" Slideshow of Vintage Ads for DuPont Cellophane, 1929-1958
Common Plastics in Packaging (Chart)

Date : 10/19/2011

Clip Length : 3

This chart from the American Chemistry Council gives codes, descriptions, properties, and product applications for six common plastics used in packaging, including polyethylenes, polyvinyl chloride, polypropylene and polystyrene. Source: American Chemistry Council

Common Plastics in Packaging (Chart)
Cellophane to Nanopackaging: Food Packaging Innovations from 1930 to 2009

Date : 12/06/2011

Clip Length : 1

Selective timeline of food packaging innovations developed and marketed, from cellophane in the 1930s, to the first plastic milk bottles in the late 1950s, to vacuum-packed foods in the first years of the 21st century. between 1930 (cellophane). Source of dates: foodengineering.com, foodandbeveragepackaging.com

Cellophane to Nanopackaging: Food Packaging Innovations from 1930 to 2009
Georgia Tech Chemist Designs Molecules That May Stop or Slow Effects of Alzheimer's

Date : 12/06/2011

Clip Length : 

In this 21st Century Chemist profile, Georgia Institute of Technology chemist Stefan France describes his work designing "neuro-protective" molecules that he hopes might be used to prevent or slow the effects of diseases such as Alzheimer's in patients' brains.

Georgia Tech Chemist Designs Molecules That May Stop or Slow Effects of Alzheimer's
Guidelines for Diagnosing Alzheimer's

Date : 04/19/2011

Clip Length : 00:02:33

Alzheimer's disease is now recognized as one that can unfold over decades, with patients experiencing three distinct stages. Experts hope guidelines set in 2011 for diagnosing it could pave the way for developing new treatments.

Guidelines for Diagnosing Alzheimer's
Evidence Inconclusive on Exercise, Diet, Supplements to Prevent Alzheimer's

Date : 04/28/2010

Clip Length : 00:02:11

After study, NIH experts say that while a healthy diet, regular exercise and vitamin supplements can't hurt, there is insufficient evidence to show that these measures help prevent Alzheimer's.

Evidence Inconclusive on Exercise, Diet, Supplements to Prevent Alzheimer's
Medicine Man Rocky Stallings Shares His Knowledge of Nature

Date : 01/06/1981

Clip Length : 00:03:47

American Indian Rock Stallings recalls the teachings of his elders and the lessons of Indian medicine which relied on natural plants and herbs.

Medicine Man Rocky Stallings Shares His Knowledge of Nature
Alzheimer's Disease Facts and Figures (2011)

Date : 12/06/2011

Clip Length : 2

List of facts and figures on Alzheimer's Disease, including the number of Americans with Alzheimer's (5.4 million), number of Americans caring for someone with Alzheimer's (14.9 million), and cost of caring for those with Alzheimer's in 2011 ($183 billion). Source: Alzheimer's Association, www.alz.org

Alzheimer's Disease Facts and Figures (2011)

Showing 1-11 of 11 assets

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