Word: signals
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Possibly, but for Obama, the point of the story is also to signal to black South Carolinians that he has learned to be one of them, not only a black man in appearance but also one comfortable with the call-and-response folkways of African-American Southern life...
...does one female signal the rest? The answer is almost certainly smell. Pheromones-or scent-signaling chemicals-are known to exist among animals, and while scientists have had a hard time unraveling the pheromonal system in humans, they have isolated a few of the compounds. One type, known as driver pheromones, appears to affect the endocrine systems of others. Since the endocrine system plays a critical role in the timing of menstruation, there is at least a strong circumstantial case that the two are linked. "It's thought that there is a driver female who gives off something that changes...
...says Professor Ma, "but most HK people know that it is not possible to fight on in this regard against Beijing." Still, organizer Lee Cheuk Yan, a legislator from the Hong Kong Confederation of Trade Unions, points out that the rally was also intended to send a clear signal to Beijing that the relatively small number of demonstrators on the streets could drastically swell if the mainland reneged on its timetable promises. The next battle is to make sure that the electoral systems necessary for democratic elections are in place well before 2017. Mainland officials have hinted that they would...
...will certainly send a very strong signal, both regionally and nationally, that Harvard is committed to reinvigorating research in the sciences,” said Alex Krieger, an urban design professor who has been involved with Allston planning in the past...
...because, at the October summit between Roh and Kim, the North agreed to key improvements in how Kaesong operates, including swifter customs clearance for goods crossing its border, and better computer and cell-phone communications connections between Seoul and Kaesong factories. The moves were greeted by businessmen as "a signal that [North Korean leaders] really want more investment, and are willing to be a bit flexible," says the Kaesong Industrial Council...