Word: signallers
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...last station home." It would be twilight, because she makes music that catches the sweet, scary feelings, all the uncertainty and release, that can come when the sun goes down. She is the tall, windblown woman standing solitary at the end of the platform, trying to fathom the signal lights and waiting for the next express. Now that could be the Midnight Special, or it could be the Mystery Train, but, whatever comes through, Toni Childs is going for a long ride...
...complaining that they are beset during deskbound hours by a panoply of miseries, from stuffy heads and watery eyes to nosebleeds, headaches and that just-plain-lousy feeling. Doctors and employers have long tended to dismiss such distress as hypochondria, but no longer. Increasingly, the grousing is considered to signal a real problem: indoor air pollution, or, as it is widely known, sick-building syndrome. Says Eileen Claussen, an official of the Environmental Protection Agency: "Pollutants in the indoor environment can cause a serious health risk...
...inverted Vs, in which the depth of the arch corresponds roughly to the height of the fish. Some of the newest units can zoom on a target zone, allowing users to pick out a fish hovering a mere 1 1/2 in. off the bottom. Other refinements include alarms that signal a fish's presence and multihued video screens that are designed to identify various species by a color code -- red for dolphin, for example, or pink for bottom feeders like grouper and snapper...
...social change. At its annual meeting three weeks ago in Chicago, some 900 delegates voted to standardize admissions procedures, pulling down, in effect, some of the blood-test barriers that for years preserved the league as a high Wasp domain. The vote, said incoming President Maridel Moulton, "will signal to the world that we really are an organization that wishes to be open to any woman who wants to make a commitment to volunteerism...
...infected cells, they shoot lethal proteins at the cell membrane. Holes form where the protein molecules hit, and the cell, dying, leaks out its insides. To ensure that the cell and its viral occupants are destroyed, the killer T cells then deliver the coup de grace by transmitting a signal that causes the cell to chew up DNA from both itself and the virus. Explains Dr. Irving Weissman of Stanford: "This is an overlapping, dual system of killing that ensures that the seed of viral production will be eliminated from the body...