NEWS OF THE WEEK
			CLOSER LOOK AT OLIGOSACCHARIDES Hyphenated technique aids purification and analysis of heparin and heparan sulfate.
			TRANSITIONING Hydrogen's role in silicon crystallization is revealed.
			NOVA SHARPENS PRODUCT FOCUS Company is shutting commodity polystyrene units, emphasizing specialty styrenics.
			FOOD CONTAMINANT Acrylamide in fried starchy foods is a major concern, say some public health scientists.
			CLASH AT HERCULES Heyman and other minority board members denounce firm's decisions.
			PREVENTING PROLIFERATION G-8 nations pledge $20 billion to help Russia decommission its arsenals.
			CROMPTON SELLS UNIT Akzo Nobel pays $95 million for specialties business.

COVER STORY
			YUCCA MOUNTAIN If Congress gives the nod, attention will shift to construction at Nevada radioactive waste repository.

BUSINESS
			BUSINESS CONCENTRATES
			PHOTOGRAPHIC CHEMICALS Digital photography is having an impact on this business, but won't supplant it anytime soon.
			CHINA'S TRADE BARRIER New WTO member uses antidumping investigations to protect its chemical industries from foreign competition.
			E-BUSINESS

GOVERNMENT & POLICY
			GOVERNMENT CONCENTRATES
			EPA WARNING Agency takes unconventional step of issuing directive on potentially hazardous precipitate.

SCIENCE/TECHNOLOGY
			SCIENCE/TECHNOLOGY CONCENTRATES
			CRYSTAL CAPTOR Calixarene traps gases and holds them, even at high temperatures.
			CAMPUS SECURITY Chemistry departments are increasing the guard on their facilities and materials in light of Sept. 11.
			ALCHEMICAL ART Entrepreneur Roy Eddleman contributes his collection--nearly 50 paintings and engravings--to the Chemical Heritage Foundation.
			MOLECULAR ROTATORS UCLA group creates a class of molecules that rotate like gyroscopes.

EDUCATION
			HIGH SCHOOL SCIENCE Some school districts have inverted the sequence of classes in various ways.

MEETINGS
			C&EN CALENDARS OF MEETING & EVENTS

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