The team, who experimented on themselves and others, hope their findings could one day help improve tools for studying color ...

Across the world, 8% to 10% of people have blue eyes, which is still second place to brown eyes, which 70% to 80% of all ...

Five people have witnessed an intense green-blue colour that has never been seen by humans before, thanks to a device that might one day enable those with a type of colour blindness to experience ...