A new way to control gene expression directly targets genomic DNA.
South African firm will shed surfactants unit, concentrate on core businesses.
Sen. Bill Frist parts company with the White House to back expanded U.S. stem cell research.
A new family of carbene ligands opens the door to a broader range of chemical reactions.
Access Industries completes its purchase of BASF and Shell polyolefins joint venture.
Antibiotic used in poultry is banned by FDA because it leads to resistant organisms.
Carbon nanotubes in cancer cells kill the cells when exposed to near-IR radiation.
Researchers find a low-power method to upconvert green laser light to blue.
ARSENIC IN RICE
Study finds arsenic concentration in U.S. rice higher than that for other countries, but it's no cause for alarm, experts say.