Gordon Gallup Jr. put a chimpanzee in front of a mirror in 1970 and watched it do something no researcher had documented before: the chimp used the reflection to inspect parts of its own body it could ...

It isn’t until about two years of age that a human being can recognize the image in the mirror as a reflection of herself. It takes time for us to pass the mirror test. And we’re pretty special in ...

The full list, on the current experimental record, is short enough to fit in a single sentence. Chimpanzees, bonobos, orangutans, and some gorillas. Bottlenose dolphins. Asian elephants. Eurasian ...

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We must be very careful when claiming some animals don't have a sense of self. The standard way to study self-recognition in animals, the mirror test, is too narrow an approach.

Self-awareness may be beyond primates in the wild. Chimps, organutans and other species faced with a mirror react to a dot on their face in the lab, a widely used measure of self-awareness. But while ...

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 ...

You are on a date and by all accounts, it's going well. Midway through dinner, you excuse yourself and head to the bathroom where, to your chagrin, the mirror reveals that you have a streak of sauce ...