glacir: kqedscience:An Iceberg Flipped Over, and Its Underside Is Breathtaking”In the case of this jewel-like iceberg, the ice is probably very old. In glaciers, years of compression force out air pockets and gradually make the ice denser, according

glacir: kqedscience:An Iceberg Flipped Over, and Its Underside Is Breathtaking”In the case of this jewel-like iceberg, the ice is probably very old. In glaciers, years of compression force out air pockets and gradually make the ice denser, according

glacir: kqedscience:An Iceberg Flipped Over, and Its Underside Is Breathtaking”In