Climate Central: The West Antarctic Ice Sheet is headed toward unstoppable collapse according to recent studies. A new visual released by the European Space Agency show what the start of that collapse looks like both for the mass of the ice sheet and its signature on the planets gravitational field. We think of gravity as a constant, holding us in place on the planet. But the reality is there are small changes in gravity all over the globe. Not enough that youll feel lighter on your feet in one place compared...