Table of Contents - February 23, 2004

NEWS OF THE WEEK
			RHODIA REELING Sharp downturn is reported by French specialty chemicals maker.
			CONCERNED SCIENTISTS Science leaders protest a variety of Administration actions regarding science and policy.
			ISOPRENE SURPRISE Previously unknown oxidation products of abundant compound are discovered in aerosols.
			DNA VACCINES Biodegradable microspheres are designed to deliver pathogen DNA to immune system cells.
			MORATORIUM CANCELED ACS will resume publishing papers from authors in Cuba, Iran, Iraq, Libya, and Sudan.
			LAB SUPPLIER SOLD Merck KGaA will sell its VMR laboratory products distribution business to a private equity firm.
			ENGINEERING HONORS National Academy of Engineering elects new members.
			MERCURY SENSOR Colorimetric system exhibits high selectivity and parts-per-million sensitivity.
			ACS ELECTION In three-way contest, Kent J. Voorhees is elected an ACS director-at-large.
			ONLINE EXCLUSIVE MARS MYSTERIES PILE UP Rovers continue exploration of the red planet, finding shiny blobs and possible salt residue

COVER STORY

CLEAN COAL
New technologies promise to deliver more electricity with zero emissions. So why aren't they catching on?

COVER: Courtesy of Peabody Energy

BUSINESS

BUSINESS CONCENTRATES

CHEMICAL EARNINGS
Dow Chemical's huge earnings growth skews industry's fourth-quarter results.

MOROCCO MINING
To stay competitive, mining firm Managem is pouring money into R&D.

RICHARD M. GROSS
Vice president of R&D looks into Dow's strategic research needs while slowly winding down to a busy retirement.

GOVERNMENT & POLICY

GOVERNMENT CONCENTRATES

MERCURY IN VACCINES
Institute of Medicine hears conflicting evidence about whether vaccine preservative causes autism.

SCIENCE/TECHNOLOGY

SCIENCE/TECHNOLOGY CONCENTRATES

ATTRACTED TO ZURICH
Research support, infrastructure, opportunities for industrial collaboration, and long-standing chemical tradition lure U.S. chemists.

ENZYME MECHANISMS
New proposals and insights provoke debate and controversy over transition-state theory.

INSIGHTS
Robotic exploration of the solar system is just as exciting as sending humans to do the job, and makes a lot more sense.

NEW PRODUCTS