4981342000%26v%3D2%26position%3D6%26china_variant%3DFalse&utm_medium=10today.0226&p osition=6&part=sl&china_variant=False> nationalgeographic.com / Andy Isaacson A Norwegian research vessel has locked itself in the shrinking ice cap to gather data needed to predict the cap's future—and that of the planet.R.V.