In theory, a reaction to an out-of-place mark in a reflection is assumed to be evidence of self-recognition for other animals as well. Chimpanzees, elephants, and dolphins are just some that have ...

If you're not really into salt-water tanks or don't spend a lot of time in coral reefs, there's still a high probability you may have heard of the bluestreak cleaner wrasse fish. Likely because last ...

Here’s a fun test: Dab some blush onto the forehead of a six-month-old baby and plop them in front of a mirror. They might look at their reflection with curiosity but ignore the rouge. Redo the ...

Cleaner wrasse have revealed a remarkable new side of fish intelligence. Marked with fake parasites, they used mirrors to inspect and remove the spots—far faster than seen in earlier tests. Even more ...

NEW YORK (AP) — Scientists report that a fish can pass a standard test of recognizing itself in a mirror — and they raise a question about what that means. Does this decades-old test, designed to show ...

The mirror test has fascinated scientists for decades due to its simplicity and revealing nature. First introduced in 1970 by psychologist Gordon Gallup Jr., the experiment places a visible mark on an ...

The real story here is that motherfucking CROWS are smarter than almost every other animal on the planet including some primates. Great apes, elephants, dolphins, and crows??? Click to expand... Well, ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. For decades, self-awareness has been guarded as a very ...