Scientists using robot submarines and elephant seals equipped with electronic tags . `` Because so little is known about ice-sheet behavior , this research will take us a step further in understanding how ice sheets will contribute to sea-level rise . '' Score: 6 The International Polar Year ended last month after two years of research . The IPY featured 160 scientific projects by researchers from over 60 countries .
Scientists using robot submarines and elephant seals equipped with electronic tags . Score: 6 The International Polar Year ended last month after two years of research . The IPY featured 160 scientific projects by researchers from over 60 countries .