WASHINGTON — It was a debate that captured the internet's attention and caused division worldwide: "The dress." Was it white and gold or black and blue? The infamous photo posted on Tumblr in ...

You either saw — with zero hint of variability — the dress as black and blue, or white and gold. There was no ambiguity. Only a baffling sense of indignation: How could anyone see it differently?

The dress, which is in fact blue and black, sparked intense discussion when some insisted, they saw the colors as white and gold. "It’s a perception issue. It's the way the brain processes ...

To recap: A cellphone picture of a wedding guest’s dress, uploaded to the internet, sharply divided people into those who saw it as white and gold and those who saw it in black and blue—even ...

WASHINGTON — It was a debate that captured the internet's attention and caused division worldwide: "The dress." Was it white and gold or black and blue? The infamous photo posted on Tumblr in February ...