City-sized icebergs drifted by UK, scientists find. What can they tell us about Antarctica's future? / Biosecurity policies can be annoying--but a century of Antarctic data shows they work / Antarctic research supports healthy space for astronauts / Antarctic survey of plant life to aid conservation efforts / 'I'm a blue whale, I'm here': researchers listen with delight to songs that hint at Antarctic resurgence / NSF director: US Antarctic research has national impact / Investigators head to U.S. Antarctic research base after harassment claims