August 13, 2007 Issue | Chemical & Engineering News
 
 

Sunscreen SPF Explained - Speaking of Chemistry

Chemical & Engineering News Senior Editor Carmen Drahl and Associate Editor Sophia Cai explain the chemistry behind SPF, so you don't get burned, in the latest video of “Speaking of Chemistry”.

 
Copyright © 2007 American Chemical Society
 

August 13, 2007 Issue

Volume 85, Issue 33
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August 13, 2007 Issue, Vol. 85 | Iss. 33
Calculations reveal stable but imaginary molecules that push the limits of what chemists know of chemical bonding
By Jyllian Kemsley
(pp. 17-22)
Features
Business
Instrument makers harness technology to pursue budding applications for their tools (pp. 26-31)
Science & Technology
Get organized, revise, and ask for help when you need it (pp. 46-49)
Back Issues
 

News of the Week

Easier, Cleaner Route To Amides

Simple coupling reaction involves alcohols and amines
(p.10)

Foot-And-Mouth Outbreak

U.K. facilities may have caused virus spread
(p.11)

Spotlight on Drug Research

Meeting attendees ponder routes to better quality drug candidates
(p.11)

Akzo Nobel Ups Bid Again For ICI

Second increase to $16 billion pushes Akzo near success
(p.12)

Competitiveness Legislation

Lawmakers boost spending in a bid to strengthen math and science education
(p.12)

House Passes Energy Bills

Renewable energy would get boost through House bills
(p.13)

Mechanism Of Unusual Antibiotic

Picture of lactivicin bound to its target protein may aid fight against drug-resistant bacteria
(p.13)

Antidepressant Gatekeeper

Structural and functional studies point to tricyclics' mechanism of action
(p.14)

India Patent Law Decision

Court upholds stipulation that new forms of a drug cannot be patented unless they improve efficacy
(p.14)
 

Departments

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Government & Policy

Carolyn Merritt led five-year transformation of independent accident investigation board
(pp. 38-41)
Statement of Bush Administration's nuclear weapons strategy calls on science and technology for a new arsenal of warheads to last through the century
(p.42)

Books

Former director's tome is a fascinating history-even as he dodges blame for some of the agency's most egregious failures
(pp. 50-51)
8533cov_opencxd

Science & Technology

Calculations reveal stable but imaginary molecules that push the limits of what chemists know of chemical bonding
(pp. 17-22)
Get organized, revise, and ask for help when you need it
(pp. 46-49)

Career & Employment

C&EN offers tips on navigating the Chemjobs Career Fair in Boston
(pp. 67-70)

Newscripts

(p.80)

Editor's Page