Showing 1-8 of 8 assets

Date : 01/21/2011

Clip Length : 00:04:15

This NBC Learn video "profiles" a chiral or mirror-image molecule, carvone, and explains how the "handedness" of a molecule can change its properties -- resulting, in carvone, in the distinctly different flavors and aromas we perceive as spearmint, caraway and dill.

"Mirror" Molecule: Carvone
Periodic Table of the Elements (NIST, 2003)

Date : 09/01/2003

Clip Length : 1

A Periodic Table of the Elements, designed by the National Institute of Standards and Technology, showing atomic properties of the elements. Source: NIST (2003)

Periodic Table of the Elements (NIST, 2003)
Profile of Oliver Sacks, Chemistry Obsessive, Dreamer of Scandium

Date : 03/07/2002

Clip Length : 00:05:47

Neurologist Dr. Oliver Sacks describes his lifelong fascination with chemistry, the basis of his autobiography "Uncle Tungsten: Memories of a Chemical Boyhood."

Profile of Oliver Sacks, Chemistry Obsessive, Dreamer of Scandium

Date : 09/01/1998

Clip Length : 7

This 1998 article from the archives of "Scientific American" charts the remarkable development of the Periodic Table of the Elements -- an icon of science that has kept its fundamental structure since its earliest versions more than 200 years ago. Source: Scientific American (September 1998)

"The Evolution of the Periodic System"
Count Of U.S. Chemistry Graduates, 1993 - 2009

Date : 01/01/2009

Clip Length : 1

Table showing total numbers of U.S. graduates with Bachelor's and Master's degrees and PhDs in chemistry, every year from 1993 through 2009. Source: American Chemical Society, Committee on Professional Training (2009)

Count Of U.S. Chemistry Graduates, 1993 - 2009
Early Table of the Elements (Mendeleev, 1869-71)

Date : 01/01/1871

Clip Length : 1

The first public appearance of the periodic table of the elements in its modern form, with the elements of each group arranged vertically. By Dmitry Ivanovich Mendeleev, published in St. Petersburg, 1869-1871.From the collections of the Chemical Heritage Foundation, Roy G. Neville Historical Chemical Library.

Early Table of the Elements (Mendeleev, 1869-71)
Louis Pasteur Drawing of Chiral Crystals (1853)

Date : 01/01/1853

Clip Length : 1

Drawing by Louis Pasteur of a pair of tartaric acid crystals; Pasteur discovered these crystals occur in mirror-image, or chiral, pairs. Published in "Annales des Chimie et de Physique," 1853. From the collections of the Chemical Heritage Foundation.

Louis Pasteur Drawing of Chiral Crystals (1853)
The Table of Affinities (De Fourcy, 1773)

Date : 01/01/1773

Clip Length : 1

Image of engraved "Tableau du produit des affinities chymiques," a table of chemical affinity and symbols that was a precursor of the modern periodic table; by De Fourcy, published in 1773. From the collections of the Chemical Heritage Foundation.

The Table of Affinities (De Fourcy, 1773)

Showing 1-8 of 8 assets

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