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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 Cover
Volume 85, Issue 33
Volume 85, Issue 33
DIVINING MOLECULES
Calculations reveal stable but imaginary molecules that push the limits of what chemists know of chemical bonding
Credit: Linda Wang/C&EN
» Full Article
August 13, 2007 Issue
Volume 85, Issue 33
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
(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)
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
Business
Instrument makers harness technology to pursue budding applications for their tools
(pp. 26-31)
European Chemicals Agency opens doors as companies prepare for new regulations
(pp. 33-35)Concentrates
(pp. 23-24)
(pp. 23-24)- Petrobras To Buy Brazil's Suzano For $1.4 Billion
- EU Launches Antitrust Probe
- Bayer, Nektar Join For Inhaled Drug
- Lonza Adds Two For Biotech
- More Propionic Acid For BASF
- Concept Car Dons Bayer Polycarbonate
- Monsanto And Novartis In Dispute
- Employment Eases In July
- BASF And Partner Look Into Heat-Exchange Fluids
- BP, Chinese Academy Form Partnership
- Distributor Buys Into Fertilizers
- BUSINESS ROUNDUP
ACS News
Calls for papers for the spring 2008 ACS national meeting, April 6-10, 2008, have been issued
(pp. 57-65)
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)
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
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