Whatever happened to the ozone hole?
Atmospheric scientists David Karoly and Robyn Schofield discuss the ozone hole over the Antarctic, and what effect timely action has had in reversing it.
The science behind these big monsters
How tropical cyclones, hurricanes and typhoons form and why climate change is reducing their number but increasing their power
Big white clouds are light and fluffy right? Wrong!
If you think clouds are big, white and fluffy then you are wrong. And you'd be surprised at how much they weigh, says a University of Melbourne researcher.