HAPPY HOLIDAYS Chemical & Engineering News will not publish an issue on Dec. 30, 2002. Our next issue will be Jan. 6, 2003. C&EN staff members wish all of our readers a joyous holiday season.
NEWS OF THE WEEK
			DOW OUSTS ITS CEO After only two years at the helm, Michael Parker is abruptly replaced by his predecessor.
			ANOTHER DEPARTURE Monsanto CEO is also out.
			VISA DELAYS BLASTED National Academies' presidents say research collaborations and conferences are hampered.
			SOLAR CELL Ionic liquid and stable polymer combine to form efficient energy converter.
			NMR ADVANCE Multidimensional spectra are obtained in seconds rather than hours or days.
			RULING FOR DOW CORNING Judge says silicone breast implant recipients can't get damages from parent companies.
			MINIMALIST RIBOZYME Two-nucleotide RNA functions as a catalyst, but slowly.
			INSIGHT INTO CATALYSIS Structure-selectivity relations in homogeneous palladium catalysts are uncovered.
			TRADE ADVISER NAMED Environmental groups challenge Administration's choice for chemicals panel.
			BIOTECH SECTOR Analyst sees industry heading into new year with renewed strength.

COVER STORY
			OLEFIN METATHESIS While hoping for better prospects, chemical companies struggled through an uncertain 2002 by restructuring their businesses and shifting operations

BUSINESS
			BUSINESS CONCENTRATES
			KNOWLEDGE MANAGEMENT Chemical and drug industries focus on advanced management and information technology infrastructures.
			HATCO INC. Energetic CEO hopes to augment operations of specialty chemicals firm through new markets and joint ventures.
			SHELL'S OLD HOUSE Decaying 1940s plantation mansion on Geismar, La., complex has been an archaeological site, a movie set, and host to company events.
			WOMEN IN CHEMISTRY Lynda K. Johnson leads a DuPont team that is building molecules by developing catalysts for olefin polymerization.

GOVERNMENT & POLICY
			GOVERNMENT CONCENTRATES
			RESEARCH ABROAD Scientists who leave the U.S. for work experience weigh benefits and risks.

SCIENCE/TECHNOLOGY
			SCIENCE/TECHNOLOGY CONCENTRATES
			MICROCHIPS AND THE ENVIRONMENT Life-cycle analysis shows microchips consume a disproportionate amount of energy and water.
			INSIGHTS Art and science meet when art students nurture seedlings for an experiment designed to "reverse-engineer" crops.

ACS COMMENT
			BETTER ADVANCED HIGH SCHOOL CHEMISTRY

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