Pigeons can discriminate both space and time

Pigeons aren't so bird-brained after all. New research at the University of Iowa shows that pigeons can discriminate the abstract concepts of space and time—and seem to use a different region of the brain than humans and ...

Evolving a bigger brain with human DNA

The size of the human brain expanded dramatically during the course of evolution, imparting us with unique capabilities to use abstract language and do complex math. But how did the human brain get larger than that of our ...

Computer scientist cracks mysterious 'Copiale Cipher'

The manuscript seems straight out of fiction: a strange handwritten message in abstract symbols and Roman letters meticulously covering 105 yellowing pages, hidden in the depths of an academic archive.

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 ...

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