Move over, millennial gray: a new color has taken over TikTok. Millennial green, a muted sage, is the latest shade spotted on kitchen backsplashes and living room sofas. The earthy green is one ...

What color is a tree, or the sky, or a sunset? At first glance, the answers seem obvious. But it turns out there is plenty of variation in how people see the world—both between individuals and between ...