WELLINGTON (AP).- A crate of Scotch whisky that has been frozen in Antarctic ice for more than a century is being slowly thawed by New Zealand museum officials — for analysis, not to be tasted. The crate of whisky was recovered earlier this year — along with four other crates containing whisky and brandy — beneath the floor of a hut built by British explorer Sir Ernest Shackleton during his 1908 Antarctic expedition. Four of the crates were left in the ice, but one labeled Mackinlay’s whisky was brought to the Canterbury Museum in Christchurch on New Zealand’s South Island, where officials said Wednesday it was being thawed in a controlled environment. Nigel Watson, executive director of the New Zealand Antarctic Heritage Trust, said the whisky might still be liquid. “When the guys were lifting it, they reported the sound of sloshing and there was a smell of whisky in the freezer, so it is all boding pretty well,” he said. An Antarctic Heritage Trust team that was