That is exposing land that has not seen light of day since the so-called Little Ice Age, a widespread climatic cooling that ran roughly from AD 1550 to AD 1850.

BBC: Centuries-old frozen plants revived

From roughly what the UK had in 1600 AD to what it had in 1948.

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Call open interest, meanwhile, is beginning to accumulate at the June 12 ad 13 strikes, with roughly 15, 000 contracts open at each strike.

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At roughly the same time David Ogilvy started an ad campaign for Britain, the fifth most visited European country when he started.

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Chang's said roughly 1 million people clicked, recirculated or otherwise interacted with the Twitter ad.

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The pair's animosity didn't begin with Romney's first New Hampshire attack ad last month, or McCain's recent New Hampshire surge that left the two men roughly neck-and-neck in most primary race surveys.

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Roughly akin to a Facebook "like" button, it would let people tell friends that they found an ad useful.

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