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University of California Board of Regents postpones decision on banning research funding from tobacco companies, leaving questions about academic freedom unanswered

Sunlight-induced vitamin D triggers an immune response in the skin, a finding that adds to an ongoing debate over the potential benefits of sun exposure

Lennart Nilsson shares how to turn laboratory specimens into award-winning art

Study pinpoints long-sought receptor for retinol-binding protein

National Inventors Hall of Fame inductee co-developed the electron microscope, earning him 1960's Lasker award for basic medical research

Klaus Stöhr steps down as leader of international efforts against pandemic influenza to guide company's vaccine development

Independent studies show that maintaining tumors in mice requires continued absence of p53

National Medal of Science winner helped develop instant color film at Polaroid and create the field of physical biochemistry

WARF lifts some licensing restrictions on industry and academic research, but critics vow to continue challenging the patents

The first comprehensive -- but preliminary -- list of Foxp3 targets in mice could provide clues to how the protein helps regulate the immune system

Documentary filmmakers spend seven weeks in one of the coldest places on earth, all to find a story in science

Anton Dilger used anthrax and glanders germs to sabotage horses during World War I; Jack Woodall reviews 'The Fourth Horseman'