Showing 1-14 of 14 assets

The Chemistry of Pickles

Date : 03/28/2011

Clip Length : 00:06:13

This NBC Learn video, one in a 6-part "Cheeseburger Chemistry" series, examines the role of salty brine, fermentation, lactic acid and pH in the process of pickling food to preserve it.

The Chemistry of Pickles
Ocean Acidification

Date : 03/04/2011

Clip Length : 00:06:20

As higher amounts of carbon dioxide become absorbed by the oceans, some marine organisms are finding it's a struggle to adjust. "Changing Planet" is produced in partnership with the National Science Foundation.

Ocean Acidification
Molecule Profile:  H<sub>2</sub>O - Water

Date : 01/11/2011

Clip Length : 00:04:46

This NBC Learn video "profiles" the H2O molecule -- its structure, polarity, cohesive and adhesive properties, and water's properties as a "universal" solvent.

Molecule Profile: H2O - Water
The pH Scale

Date : 01/01/2011

Clip Length : 1

Chart produced by the Environmental Protection Agency of the pH scale from 0 to 14, Acidic to Basic, with examples of substances that have each pH value, and an indication of environmental effects of selected pH levels on fish and insects. Source: EPA

The pH Scale
American Business: Cool As a Cucumber (Miss Jenny's Pickles)

Date : 11/21/2010

Clip Length : 00:04:42

"American Business" profile of woman and her colleague, who, after being laid off from their jobs on Wall Street, went to "pickle school," and started a successful and growing pickle company, Miss Jenny's Pickles. Originally aired on "Your Business" on MSNBC.

American Business: Cool As a Cucumber (Miss Jenny's Pickles)
Oceans Turn More Acidic Than Last 800,000 Years

Date : 02/22/2010

Clip Length : 2

This 2010 "Scientific American" article reports on the unprecedented rise in the acidity of the world's seawater, due to ocean absorption of CO2 emissions; higher acidification threatens the marine food chain. Source: Scientific American, February 22, 2010

Oceans Turn More Acidic Than Last 800,000 Years
Drink Up: Taking the Salt out of Seawater

Date : 03/19/2009

Clip Length : 4

This 2009 "Scientific American" article reports on new technologies to desalinate ocean water into drinking water more efficiently and at lower cost, in response to ever-growing global demand for potable water, and limited freshwater supply. Source: Scientific American, March 19, 2009

Drink Up: Taking the Salt out of Seawater
Word Roots: Servo

Date : 10/20/2008

Clip Length : 00:01:24

11 words, from "conservative" to "reservoir" -- derived from the Latin root "servo," meaning "to save," "to keep," "to guard," "to watch over" -- are shown in this NBC animation.

Word Roots: Servo
Food Fears: Fresh Spinach and E. Coli

Date : 09/17/2006

Clip Length : 00:02:42

Food safety officials warn consumers not to eat fresh spinach, after spinach contaminated with E. coli bacteria causes illnesses in 19 states. Mass production and cross-country transport make it hard to trace the contamination source.

Food Fears: Fresh Spinach and E. Coli
How Do Salt and Sugar Prevent Microbial Spoilage?

Date : 02/21/2006

Clip Length : 2

This 2006 "Scientific American" article explains several ways in which salt (usually sodium chloride) and sugar (usually sucrose), inhibit microbial growth to "cure" and preserve foods. Scientific American, February 21, 2006

How Do Salt and Sugar Prevent Microbial Spoilage?
New Evidence of Water Once on Mars: Salt Crystal Traces Examined

Date : 03/02/2004

Clip Length : 00:01:56

In 2004, NASA's Opportunity rover finds evidence that there were once large quantities of water on Mars. Scientists theorize that salt crystals may have formed from the water and later dissolved.

New Evidence of Water Once on Mars: Salt Crystal Traces Examined
Timeline of Pickle History

Date : 01/01/2003

Clip Length : 1

Timeline of the History of Pickles, from 2400 BC in Mesopotamia through the First Annual New York City International Pickle Day in 2001. Source: New York Food Museum, Dana Terebelski and Nancy Ralph

Timeline of Pickle History
Life in the Amazon

Date : 05/13/2002

Clip Length : 00:04:25

The people and wildlife of the Amazon in Brazil coexist in a rainforest that many call the "lungs of the world."

Life in the Amazon
Recipe for Green Sour Pickles

Date : 06/01/1900

Clip Length : 1

Recipe for Green Sour Pickles, from "The Boston Cooking-School Magazine of Culinary Science and Domestic Economics." (Published between June of 1900 and May of 1901)

Recipe for Green Sour Pickles

Showing 1-14 of 14 assets

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