The male coming of age tale Down Under is set in the aftermath of the 2005 Cronulla riots. But while entertaining, the film doesn't help us understand the racism at the heart of these traumatic events.
Images move us to act – as this week's episode of Four Corners has shown. Our government has gone to great lengths to suppress photos that humanise asylum seekers – but when they seep out, empathy is aroused.
Netball – one of Australia's most popular sports – is on track to turn professional. Is this an exciting new chapter for female athletes? Or does netball's success draw attention from other sports, where women can smack balls, and roam freely?
Blood has some disadvantages for diagnosis as it is separated from the brain by what is called the "blood brain barrier". This makes it difficult to establish that a signal is actually coming from the brain.