Dove has apologized for some Facebook-posted advertising imagery many found racially insensitive. The three-second video, posted and subsequently taken down Saturday, showed a black woman removing ...

Last year, researchers at Facebook showed executives an example of the kind of hate speech circulating on the social network: an actual post featuring an image of four female Democratic lawmakers ...

"But I've studied individual differences in color vision for 30 years, and this is one of the biggest individual differences I've ever seen." (Neitz sees white-and-gold.) Usually that system works ...