Others (including myself) have been writing about the limitations of the mirror test for some time, and in an email to me (September 10, 2018), renowned conservationist and writer Dr. Carl Safina ...

A study published in Proceedings of the Royal Society B, found that while the baboons noticed and responded to a laser mark shining on their arms, legs and hands, they did not react when they saw, via ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. You've heard about "being scared of your own shadow," but what about ...

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 ...