Word: tracers
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...truth is, doctors can't really distinguish between Alzheimer's and other dementias until a brain autopsy is performed. At least they couldn't until now. A new, noninvasive brain-imaging test may be able to identify Alzheimer's in those who are still living. The test, a chemical tracer followed by a PET scan, reveals the telltale plaques and tangles of Alzheimer's, even in the disease's earliest stages. A word of caution: the test has so far worked on only nine patients...
...fire and a lot of M-4 fire, the American Special Forces rifle. So there was probably some hand to hand combat, but that's not happening at the moment. But there's still shots and explosions - There's another one. A lot of tracer fire [as tracer fire goes overhead...
...gathering darkness, we stand staring out toward Talib lines. Save for the occasional crump of a mortar or burst of tracer fire the front is quiet. Then toward 7 p.m. the evening exodus begins. Since the start of U.S. air strikes against targets in Kabul, there has been a nightly parade of vehicles from the city. On what they call the New Road, in front of the base, convoys of trucks, pickups and armored vehicles cross a low pass, their headlights visible as they head toward villages behind the Bagram front...
...School and an occasional TIME contributor. According to the publisher, "It is perhaps the most consequential social insult in American history and, at the same time, a word that reminds us of ?the ironies and dilemmas, tragedies and glories of the American experience. Now, Randall Kennedy ?puts a tracer on nigger,? in order to identify its use and analyze the controversies to which it has given rise. With unprecedented candor and insight he explores such questions as: How should ?nigger? be defined? Is it more or less hurtful than any other racial epithet? Should blacks be able to use ?nigger...
...four or five huts by the faint flicker of candles inside. Then out of the night came the whine of gunfire. "We returned it," says Kerrey, giving the order for his men to unleash a ferocious barrage of automatic rifle rounds, grenades and armor-piercing rockets. In the flashing tracer light, no one could see who was being hit. The assault lasted only a few minutes...