COVER: Orange areas of a PET/CT image indicate the uptake of ¹⁸F-fluoro-2-deoxy-D-glucose in a primary cancer lesion and a lymph node. Courtesy of Sam Gambhir, Molecular Imaging Program, Stanford University

MEXICAN INVESTMENTS
One major project is on hold; other firms in Mexico are building capacity.

STATES BLOCKED
Appeals court upholds EPA discretion not to regulate greenhouse gas emissions.

BOMBING SUSPECT
Authorities in Egypt arrest biochemist in connection with July 7 London bombings.

EMORY'S BONANZA
Gilead Sciences and Royalty Pharma will buy school's stake in an HIV drug for $525 million.

BONE GLUE
Shock-absorbing biopolymeric glue makes healthy human bones resilient.

SCANNING MARS
New spacecraft will survey Mars for water and possible landing spots for a manned mission.

NIH INVESTIGATION
Health agency reports to Congress on 81 conflict-of-interest cases and is looking into 22 more.

TEFLON TORTS
Class-action lawsuits against DuPont claim health hazards from Teflon-coated cookware.

CHEMTURA
Robert Wood has high aspirations for his new firm, one of the largest specialty chemical companies in the U.S.

CHEMICAL BROKERS
Manufacturers' reps face many changes in the business of supplying chemicals to the pharmaceutical industry.