New dog, old tricks? Stray dogs can understand human cues

If you have a dog, hopefully you're lucky enough to know that they are highly attuned to their owners and can readily understand a wide range of commands and gestures. But are these abilities innate or are they exclusively ...

Gesture as language: why we point with a finger

Pointing at an object… in one sense you might say that this simple gesture doesn't just replace a word, but that it is a word—perhaps the first word. We know that it and other such gestures play a fundamental role in ...

Virtual humans, programmed to feel

A clenched fist thumps the air to emphasize a point; a sweeping hand signals the array of possibilities; furrowed eyebrows question the veracity of the politician's remarks. These are all examples of the ways we express our ...

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