We are all familiar with afterimages. If you look at a bright light for a couple of seconds, then close your eyes, you will see a dark spot; similarly, gazing at a coloured shape can induce an ...

Andrea is a freelance writer who graduated from Portland State University with a Bachelor of Arts in English. She has been playing games her entire life, having grown up on platformers and RPGs. When ...

Forget the black and blue dress – this photo of an unassuming building is the latest image to demonstrate just how sophisticated our brains are at viewing the colours we see around us. The strange ...