It's happened again: mass coral bleaching

The Great Barrier Reef has experienced the third mass coral bleaching event in five years. Professor Terry Hughes, Director of the ARC Centre of Excellence for Coral Reef Studies, explains the severity of the bleaching event.

Read more about the mass bleaching event over the 2019/20 summer in The Conversation.

Latest videos

Which came first: the chicken or the egg?

1:52
Video: Which came first: the chicken or the egg?

Why do flightless birds have wings?

1:12
Video: Why do flightless birds have wings?

Australia's longer bushfire season

2:00
Video: Australia's longer bushfire season