Stress-related genes may be preferentially and rhythmically expressed as part of the circadian rhythms of older fruit flies, researchers report.
WASHINGTON—A large black bust of Thomas Edison greets visitors to the Naval Research Laboratory (NRL) here. Established in 1923 at the famous inventor’s urging, the lab was for more than 20 years the federal govemment’s sole facility for fundamental research in the physical sciences. NRL remains the Pentagon’s flagship research facility, conducting work in such fields as space, new materials, microelectronics and artificial intelligence. Some 700 of its 1,600 scienti