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Just 10 days earlier, the laboratory cultures had all contained the same number of microscopic cancer cells. Now even an untutored eye could tell the difference. Globs of wildly dividing cell colonies filled half the flasks, while in the others the cells refused to multiply. Reason: a research team, led...
Active-optics mirrors can refocus in seconds, but the atmosphere's turbulence can make a star seem to flicker hundreds of times a second. Compensating for the flicker calls for a still experimental system called adaptive optics. Different versions of the equipment are being developed at the University of Hawaii...
Adaptive optics depends on taking starlight focused by a telescope's main mirrors and bouncing it off yet another mirror before studying the image. The additional mirror is made of a superflexible material -- plastic, in the Johns Hopkins device. A light sensor monitors a reference star within the telescope's...
The policy now being debated in Washington seeks to maximize international support for war while minimizing the loss of allied life. Some believe maintaining multinational solidarity requires an ultimatum to Saddam: Cave in by such and such a date, or we come at you with everything we've got. Sounds...
Thus, it should come as little suprise thatoutside researchers also look to Harvard as avaluable contributor to research. Paula M.Pitha-Rowe, an AIDS specialist at Johns HopkinsMedical School, says that while Harvard may not bethe leading institution for AIDS research, it iscertainly among the top few institutions for suchresearch.