WELLINGTON (AP).- A crate of Scotch whisky that was trapped in Antarctic ice for a century was finally opened Friday — but the heritage dram won’t be tasted by whisky lovers because it’s being preserved for its historic significance. The crate, recovered from the Antarctic hut of renowned explorer Sir Ernest Shackleton after it was found there in 2006, has been thawed very slowly in recent weeks at the Canterbury Museum in Christchurch on New Zealand’s South Island. The crate was painstakingly opened to reveal 11 bottles of Mackinlay’s Scotch whisky, wrapped in paper and straw to protect them from the rigors of a rough trip to Antarctica for Shackleton’s 1907 Nimrod expedition. Though the crate was frozen solid when it was retrieved earlier this year, the whisky inside could be heard sloshing around in the bottles. Antarctica’s minus 22 Fahrenheit (-30 Celsius) temperature was not enough to freeze the liquor, dating from 1896 or 1897 and described as being in remarkably goo