41.   New studies hint at ways to pick out people on their way to developing the disorder, and scientists are testing whether they can be helped.

42.   No radiation was released into the atmosphere, he insisted, adding that scientists tested a fission device, a low-yield device and a thermonuclear device.

43.   Scientists now are testing whether it might help certain other cancers, too.

44.   Scientists tested an emergency escape system for astronauts during the launch, they said.

45.   Smith said scientists must test the bacteria to verify whether it is the potentially deadly strain that sent scores of doubled-over patients to area hospitals.

46.   Scientists are currently testing whether nitric oxide cane be used to stop the growth of tumors.

47.   Scientists are now testing to see if the cells were functioning, Verfaillie said.

48.   Scientists were testing a sampling of rats, cats and dogs to see whether they could have picked up the virus.

49.   So scientists have tested other drugs, including some still in early development or that failed against their intended targets.

50.   Skin grafts can dampen this hypermetabolism in burn patients, but scientists have also tested drugs such as insulin and anabolic steroids.