Sharks: How a cull could ruin an ecosystem
With a Senate inquiry considering culls and nets to minimise the risk of shark attacks, the University of Melbourne considers their impact on marine ecosystems.
Exposing the creatures of the deep
For the first time, a light has been shone on the diversity of creatures that exists in the world’s dark, deep seas.
What is tree bark?
Ever wondered why bark is brown, not green? It's all about the chemical compounds.