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2010 Science News of the Year: Numbers
The Tao of traffic lights When a traffic light goes green can seem to hinge on whimsy rather than the number of vehicles waiting. Scientists propose speeding up traffic by making signals go with the flow (SN: 10/23/10, p. 8). Inspired by the movement of crowds through narrow spaces such as doorways, Swiss and German […]
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2010 Science News of the Year: Environment
Credit: NASA Earth Observatory Gulf drilling disaster The biggest oil spill in U.S. history began April 20, when an explosion and fire on the Deepwater Horizon offshore drilling platform sent oil spewing into the Gulf of Mexico at rates at times exceeding 65,000 barrels a day (SN Online: 9/23/10).