Scientists Studying Crows Get Big Surprise –They’re So Smart They Understand the Concept of Zero

Building on substantial evidence of crow consciousness, a German university has proven some crows can learn to recognize ‘zero’ as a counting unit.

While that sounds ridiculous, zero is not nothing, rather it’s one of the most complex mathematical concepts devised—that something can and should represent nothing, not only as the base value, but as a placeholder. Continue reading