3. 6. A brand new human organ has been classified. Researchers have given the nod to the mesentery - an organ that's been hiding in plain sight in our digestive system this whole time. But that's only half the story, because we're still not sure exactly what it does.
The cost of living the Australian dream has surged with Sydney and Melbourne among the five most expensive cities in the world, outstripping most European and US locations, according to an annual survey released on Monday.