This month's cover showing strikingly colored
fall foliage is related to the article Chem-Is-Tree,
by Dana M. Barry, and to JCE Classroom Activity:
#2. Barry provides interesting and useful information about trees,
their constituent substances, and the many uses we make of those substances.
This month's JCE Classroom Activity deals with anthocyanins, the substances
that produce the beautiful reds and purples of fall foilage, and the
colors of many flowers and vegetables as well. Red-cabbage indicator
is one example of a practical application of anthocyanins, and many
others are explored in this month's activity. Extracting ground-up
petunia petals with isopropyl alcohol, for example, produces an indicator
solution..
Cover design by Nina Hofstadler of The Design
Consortium, Richland, WA.
Cover designed by Betsy True.
The "Chemistry Teacher Connection" (CTC) is especially for high school chemistry teachers. For only $40/year, it offers an online-only subscription to CLIC along with membership in the Division of Chemical Education, normally $65/year. CTC subscribers receive access to all articles and supplements from 1996 through the current issue.
Through special arrangement with the ACS, JCE High School CLIC is now able to provide subscribers with online access to Chemical & Engineering News articles that have been selected specifically for secondary science instructors and their students.
Occasionally, collections of JCE back issues become available for donation to individual teachers, schools, or libraries. JCE matches collections with interested recipients. Recipients pay shipping costs or pick up the collection.