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 April 18, 2007 Weekly PressPac ALL CONTENT IS FOR IMMEDIATE USE EXCEPT ARTICLE #5 (EMBARGOED FOR 9 A.M., EASTERN TIME, April 23, 2007)

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

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

In This Edition:

• New treatment yields complete regression of a human cancer in mice
• Synthetic fuels from alternative energy sources can power the U. S. military
• An ancient Inca tax and metallurgy in Peru
• Calorie-restriction and increased longevity linked to metabolic changes
• New water filtration materials help assure safe drinking water

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-Chicago
• Earth Day, April 22
• 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 Act of 1934.

ARTICLE #1 FOR IMMEDIATE RELEASE
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Contact: Michael Woods
m_woods@acs.org
202-872-4400
American Chemical Society
23-Apr-2007