ANTARCTICA: Huge holes open in sea ice. What's that about? E&E NewsMysterious, Gaping Holes in Antarctic Ice Explained Live ScienceSeals with antennas on their heads helped scientists solve an Antarctic mystery CNNScientists strapped antennas to the heads of seals, for science BGRSeals with antennas helped solve Antarctic mystery Channel3000.com - WISC-TV3View full coverage on Google News