Are redheads with blue eyes really going extinct?
Red hair and blue eyes is the rarest colour combination in humans; a University of Melbourne expert looks at whether they're really going extinct.
The ethical future of bionic vision
The ethics of bionic vision for eye disease are cloudy, but a University of Melbourne expert says it's important that patients understand the risks attached.
Why we show the whites of our eyes
Of all the animals, only humans obviously show the whites of our eyes, making it easier for us to communicate and deceive with just glance.