us president George W Bush on July 19 used his veto for the first time blocking a popular bill that would have expanded federal funding for embryonic stem cell research. "It crosses a moral boundary

caffeine test: Researchers at the Washington University School of Medicine in St Louis, USA, are developing a dipstick that can be used to check for caffeine in a variety of drinks. It would be

A nuclear controversy

The Vatican has dismissed intelligent design (id) on scientific grounds and has agreed to the Pennsylvania court's ruling to keep id out of the classrooms. After months of mixed messages from