The banner, with its horizontal red, black and green stripes, was adopted by the Universal Negro Improvement Association (UNIA) at a conference in New York City in 1920.

Black and white photography is loved by many. Something is enticing when you see an image devoid of any colours, often ...

Forget the 'dress’ illusion, there’s a new trick that can make you see black and white as green and red for up to three and a half months. The McCollogh effect was discovered by an American ...

The McCollough effect was found by a psychologist in Canada in 1965, and explained by Tom Scott in a video on YouTube (shown). It involves staring at a black and white test image for up to a ...

Richard Pelham / Getty Images "Green, yellow and black are much more popular in Africa. That may be an anti-colonial reaction to the red, white, and blue of the colonial powers," Kaye says.

If you see a rock that is 100% white, it is not granite but more likely a man-made rock that is created to look like granite or a quartz (quartzite) countertop. Black Granite ...