black and white dress with bow Women's | BELLA | Dress | CIÉLIE Hang to dry. Mac Duggal Women's Satin Strapless

The optical illusion dress that's divided the internet: Celebrities join fierce debate over whether this frock is white and gold or blue and black

"A fight or flight moment

'The phenomenon revealed differences in human colour perception which have been the subject of ongoing scientific investigation.' Here's how the simple optical illusion divided the world and the mind-boggling tricks that have baffled us ever since

These Oxfords feature a leather outer sole with precise stitching for lasting comfort and durability

600912 Science here: Scotch_Lufkin February 27, 2015, 7:13am 2 That dress in the picture is blue/black (or blue/navy blue, whatever)