Showing 1-13 of 13 assets

Seeing Tiny Cancer

Date : 05/02/2011

Clip Length : 00:06:31

In this 21st Century Chemist profile, Purdue University analytical chemist Mary Wirth works with "nanomaterials" to improve the clarity and accuracy of tests for tiny "biomarker" proteins that indicate disease -- specifically, levels of PSAs, or Prostate Specific Antigens, that signal prostate cancer.

Seeing Tiny Cancer "Markers" Sooner: Purdue Chemist Works on 'Nano' Scale
FDA Considers Food Dye and Hyperactivity Link

Date : 03/29/2011

Clip Length : 00:02:08

An FDA panel will weigh whether there is enough evidence of a connection between food dyes and hyperactive behavior in some children to either ban food dyes, or require manufacturers to put warning labels on products that use them.

FDA Considers Food Dye and Hyperactivity Link
How Small IS a Nanometer (Compared to A Raindrop? An Ant?)

Date : 01/01/2011

Clip Length : 1

Image array showing comparative size and diameters of several items -- DNA, a raindrop, a strand of hair, a house, an ant and the Indianapolis Motor Speedway, as measured in nanometers, micrometers, millimeters, meters and kilometers. Source: Lawrence Berkeley Laboratory, US Dept of Energy, National Center for Electron Microscopy

How Small IS a Nanometer (Compared to A Raindrop? An Ant?)

Date : 01/01/2011

Clip Length : 1

Pie chart showing breakdown of $1.8 billion in proposed federal funding for nanoscience, from research into processes to nanomaterials to nanomanufacturing. Source: National Science and Technology Council, 2011

"Nano-Funding" -- Federal Funding for Nanoscience in 2011
A Genetic Marker for Aggressive Prostate Cancer Emerges

Date : 01/11/2010

Clip Length : 2

This 2010 "Scientific American" article reports on identification of a possible genetic marker for an aggressive prostate cancer; prostate cancer is the second most common cancer in men after skin cancer. A new market could improve screening tests. Source: Scientific American, January 11, 2010

A Genetic Marker for Aggressive Prostate Cancer Emerges
Lilac, Grape, Plum: Purple Comes in Many Shades

Date : 01/01/2010

Clip Length : 1

A sampling of purple shades of paint, with commercial names; from the offerings of U.S. paint company Benjamin Moore. Source: Benjamin Moore & Co. (2010)

Lilac, Grape, Plum: Purple Comes in Many Shades
Are Cancer Screenings Effective?

Date : 10/21/2009

Clip Length : 00:02:37

A report by the New York Times raises questions about the effectiveness of widespread cancer screenings.

Are Cancer Screenings Effective?
Colorful 32,000-Year-Old Fibers Prove to Be Some of World's Oldest

Date : 09/10/2009

Clip Length : 1

This 2009 "Scientific American" article reports on an archaeological find, in a cave in the Republic of Georgia, of ancient flax fibers spun and dyed, dating back 32,000 years -- older than previously-known oldest evidence of textile-making 28,000 years ago. Source: Scientific American, September 10, 2009

Colorful 32,000-Year-Old Fibers Prove to Be Some of World's Oldest
Where Does Blue Food Dye Come From?

Date : 01/30/2009

Clip Length : 2

This 2009 "Scientific American" article reports on sources of two widely-used blue food dyes: Blue No. 1, a synthetic dye derived from coal tar, and Blue No. 2, a synthetic version of indigo from plants. Some research has linked both synthetic dyes to attention deficit disorder (ADD). Source: Scientific American, January 30, 2009

Where Does Blue Food Dye Come From?
New Cancer Cases and Deaths in 2007, by Type and Site in the Body

Date : 01/01/2007

Clip Length : 1

Graphic illustrates estimated new cancer cases and estimated cancer deaths, by site in body or type (lung, breast, prostate) among men and women in 2007. Source: American Cancer Society (2007)

New Cancer Cases and Deaths in 2007, by Type and Site in the Body
The Scale of Things - Nanometers and More

Date : 05/26/2006

Clip Length : 1

Image array of "Things Natural" and "Things Manmade" with their measurements in millimeters, micrometers or nanometers; with scale ranging from 0.1 nm to 10 mm. Source: Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy

The Scale of Things - Nanometers and More

Date : 05/05/1967

Clip Length : 00:00:44

Thousands of hippies descend on a Detroit park for a "love-in," a recent social phenomenon that's sweeping the country.

"Love In"
Chance Discoveries: Synthetic Dye

Date : 04/26/2011

Clip Length : 00:04:05

This NBC Learn video, part of a series on "Chance Discoveries" in chemistry, tells the story of the discovery of the first synthetic dye, mauvine (or mauve) in 1856, by a teenaged British chemist trying to make a synthetic quinine to treat malaria in the expanding British colonies. (Images Courtesy of BASF Coorporate Archives, Science Museum London/SSPL, Williams Haynes Portrait Collections, from the collections of the Chemical Heritage Foundation; Gift of Herb Pratt, From the collections of the Chemical Heritage Foundation; Photograph by Gregory Tobias, Gift of American Cyanamid, from the collections of the Chemical Heritage Foundation; Dr. Morley Read / Photo Researchers, Inc.)

Chance Discoveries: Synthetic Dye

Showing 1-13 of 13 assets

Close NBC Learn

Choose your product

NBC Learn K-12 product site
NBC Learn Higher Ed product site

For NBC Learn in Learning Management Systems please log in to your institution's Learning Management System web site and click "Browse NBC Learn".
For further assistance, please contact our NBC Learn Support Team and we'll be happy to assist you.

Start Your Free
day
Day Trial!
Close NBC Learn

FILTERING

If you are trying to view the videos from inside a school or university, your IT admin may need to enable streaming on your network. Please see the Internet Filtering section of our Technical Requirements page.

DVDs AND OTHER COPIES

Videos on this page are not available on DVD at this time due to licensing restrictions on the footage.

DOWNLOADING VIDEOS

Subscribers to NBC Learn may download videos and play them back without an internet connection. Please click here to find out more about subscribing or to sign up for a FREE trial (download not included in free trial).

Still have questions?
Click here to send us an email.

Close NBC Learn

INTERNATIONAL VISITORS

The Science of the Olympic Winter Games videos are only available to visitors inside the United States due to licensing restrictions on the Olympics footage used in the videos.

FILTERING

If you are trying to view the videos from inside a school or university, your IT admin may need to enable streaming on your network. Please see the Internet Filtering section of our Technical Requirements page.

DVDs AND OTHER COPIES

The Science of the Olympic Winter Games is not available on DVD at this time due to licensing restrictions on on Olympic footage.

DOWNLOADING VIDEOS

Subscribers to NBC Learn may download videos and play them back without an internet connection. Please click here to find out more about subscribing or to sign up for a FREE trial (download not included in free trial).

Still have questions?
Click here to send us an email.

Close NBC Learn

Choose your product

NBC Learn K-12 product site
NBC Learn Higher Ed product site

For NBC Learn in Blackboard™ please log in to your institution's Blackboard™ web site and click "Browse NBC Learn"

Close NBC Learn

If you have received a new user registration code from your institution, click your product below and use the "Register now" link to sign up for a personal account.

NBC Learn K-12 product site
NBC Learn Higher Ed product site

For further assistance, please contact our NBC Learn Support Team and we'll be happy to assist you.

Start Your Free
day
Day Trial!