VIDEO - Cancer protein 'smiles' at researchers

After 12 years of studying a cancer-causing protein, Australian researchers were rewarded when it performed the perfect smiley face.

The research team at the Westmead Millennium Institute (WMI) for Medical Research, University of Sydney, were watching the behaviour of the cancer-causing beta-catenin protein through a microscope when it looked as if it was laughing at them.

"We spend 90 per cent of our time going down dead ends, and sometimes you feel as though a disease is having a cackle at your expense," said Dr Beric