Crows can deliberately plan how many calls to make, study shows

In a behavioral experiment, crows were able to learn to produce a set number of calls. This involves them planning in advance. From the sound of the first call in a numerical sequence, it is possible to predict how many calls ...

Is mining in space socially acceptable?

Traditional mining has been subject to a negative stigma for some time. People, especially in developed countries, have a relatively negative view of this necessary economic activity. Primarily that is due to its environmental ...

Their infinite wisdom

(PhysOrg.com) -- Hotel guests come and go. But in the first decade of the 1900s, a pair of frequent Russian visitors to the Hotel Parisiana, near the Sorbonne on Paris' Left Bank, stood out vividly. The children of the hotel's ...

Talk it over: Language, uniquely, makes us human

We humans tend to consider ourselves apart from other species. But we're not really so different. So what makes us unique? I'd say it's language, though not everyone would agree.

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