> "When I started studying the Antarctic 30 years ago, we never thought extreme weather events could happen there," says Prof Siegert. When I was a child 30 ye

> "When I started studying the Antarctic 30 years ago, we never thought extreme weather events could happen there," says Prof Siegert. When I was a child 30 years ago, I thought Antarctica only experienced extreme weather events, like our own Great Red (White?) Spot.