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...September 2007 a record minimum ice coverage in the region - the result of a massive summer melt. And it was satellites that showed in 2008 and 2009 the modest recovery of late-summer Arctic ice that suggested to some that the specter of a totally ice-free polar ocean might be somewhat less imminent than feared...
...scientists feared the record-thin Arctic ice cover might melt away. But it didn't, because of unusually favorable ocean currents and weather patterns. "Early in the 2009 season it looked like we might be on the way to a record melt," says Julienne Stroeve, a research scientist at the National Snow and Ice Data Center, in Boulder, Colo., "but then winds spread the ice out, so the overall coverage ended up being greater than in 2007." Without those winds, in other words, 2009 might have set a new record for open water. But as it happened, ice cover...
This suggests that the analysis of satellite observations might be due for updating. "The algorithms we use to monitor ice extent were developed a long time ago," says Stroeve, "based on what 'typical' ice looked like at that time. We know there are errors with the measurements." The weakness in multiyear ice also suggests that if the unfavorable winds and currents that caused the 2007 meltback should recur, the Arctic Ocean could undergo another especially dramatic summer melt. Not just the first-year ice might go, but also some of the "rotten" multiyear ice that Barber encountered...
Such a system, Catania says, might create five to 10 nonprofit dispensaries around the city, which would have to be at least 1,000 feet away from places like schools, parks and other dispensaries. In contrast, for years Los Angeles has had hundreds of dispensaries, privately owned, with a 500-foot rule. But its city council passed a revised dope law just hours after D.C. outlined its own, adopting D.C.'s 1,000-foot rule and cutting the number of dispensaries allowed to around 150. (See a brief history of medical marijuana...
...worried that the creatures might make a meal of you the next time you're on the road - or, worse, hitch a ride back home in your luggage - there's good news and bad. The bad: There's currently no official database where you can check if your hotel has suffered an outbreak, and hotels are not required to report infestations. The good news is that, even if your room does have the bugs, they're unlikely to sneak up on you. The insects are large enough to see with the naked eye, which means a simple check...