Claire speaks to Tom Fairman about the effect of more frequent bushfires on Australia's eucalypt forests. Read more at https://pursuit.unimelb.edu.au/articles/recurring-fires-are-threatening-the-iconic-snow-gum
Chris tells us all about the amazing properties of liquid helium, a superfluid with zero viscosity. Here's a short video from the BBC showing some of the amazing properties:
And a classic 1963 video from Alfred Leitner (37 minutes):
Chris Lassig, Stuart Burns and Claire Farrugia.