"Mirror mirror on the wall who's the fairest of them all?" Or, in modern language: Where's the closest mirror? I need to see if my hair is OK! You probably care about how you look when you approach ...

Daniel Povinelli was in high school when he first read about a clever experiment, published in 1970, that showed chimpanzees—but not monkeys--can recognize themselves in mirrors. "I bought into the ...

In a hall of mirrors, you can see yourself stretched, squashed and multiplied thanks to the reflective physics of mirrors. One mirror reflects onto another, which reflects onto another, and so on. It ...

Learn how cleaner wrasse used a mirror and even dropped food to test their reflections, a behavior linked mostly to mammals. A small reef fish may be doing something scientists once thought was ...

In the new experiment, roosters made fewer alarm calls, meant to warn peers of predators, when placed in front a mirror versus when standing near another rooster. Stefano Spaziani / picture alliance ...

I wake up in the morning and look in the mirror. I shower and do my hair and makeup in front of a vanity mirror, then get dressed with the help of my full-length mirror. I have three mirrors in my ...