A nonprofit group that promotes animal rights in medical research has taken issue with a NASA grant funding an assessment of the long-term effects of radiation on monkeys. The Physicians Committee for Responsible Medicine (PCRM), based in Washington, D.C.,sent an appeal Thursdayto NASA administrator Charles Bolden, urging that the radiobiology study, intended to test the effects of radiation encountered in long-range spaceflight, be suspended. [More]