Here is the latest American Chemical Society (ACS) News Service Weekly press package (PressPac) with reports selected from 35 major peer-reviewed journals and Chemical & Engineering News. With more than 160,000 members, ACS is the worlds largest scientific society. Please cite the individual journal, or the American Chemical Society, as the source of this information.

ACS NEWS SERVICE May 9, 2007
Weekly PressPac ALL CONTENT IS FOR IMMEDIATE USE EXCEPT ARTICLE #5 (EMBARGOED FOR 9 A.M., EASTERN TIME, May 14, 2007)

PressPac Archive: http://www.chemistry.org/news/presspac.html

Contact: Michael Woods
202-872-4400
m_woods@acs.org

In This Edition:

• Lab-made "microtornadoes" may reveal destructive secrets of real-life twisters
• New insights into contradictory health effects of bioflavonoids
• Dirty windows in urban areas may be hidden contributors to air pollution
• Nano scrub brushes for Renaissance masterpieces
• "Smart" delivery systems for cosmetics and personal care products

Journalists Resources:

• "Huh, a what"" Find out "what" in a Chemistry Glossary
• Science Elements: ACS Audio Clips
• News, features, background, sources from ACS National Meeting
• Green Goals for the Pharmaceutical Industry

Mark Your Calendars:

• ACS Regional Meeting, May 16-19, Philadelphia
• 11th Annual Green Chemistry & Engineering Conference, Washington, DC

This information is intended for your personal use in news gathering and reporting and should not be distributed to others. Anyone using advance ACS News Service Weekly Press Package information for stocks or securities dealing may be guilty of insider trading under the federal Securities Exchange
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Contact: Michael Woods
m_woods@acs.org
202-872-4400
American Chemical Society
14-May-2007