Scientists on Wednesday sealed ancient chunks of glacial ice in a first-of-its-kind sanctuary in Antarctica in the hope of preserving these fast-disappearing records of Earth's past climate for centuries to come. The two ice cores taken from Europe's Alps are the first to be stored in a purpose-built snow cave on the frozen continent that one day should house an invaluable archive from across the globe. Hosted at Concordia Station at 3,200 meters (10,500 feet) altitude in the heart of