A hole the size of Maine—or larger than the Netherlands, depending on which geographic mass means more to you—has opened up in the Weddell Sea in Antarctica. In an otherwise thick layer of sea ice, still frozen from the Antarctic winter, the hole is an aberration. Ice scientists aren’t sure what’s going on, but they’re all talking about it. “It looks like you just punched a hole in the ice,” atmospheric physicist Kent Moore, of the University of Toronto, told Vice’s Motherboard. Autonomous float deployed in 2015 has resurfaced unexpectedly inside polynya & started transmitting data https://t.co/qnyTYRVoOy @NSF pic.twitter.com/JgfwdDtBoc —...