In a testament to the crows’ intelligence (or perhaps just the deliciousness of mealworms), the birds all caught on impressively quickly. But for the test proper, the task would become a little more ...

Crows can recognize geometric patterns, suggesting that humans aren't unique in understanding shape structure.

Scientists tested crows on their ability to recognize “geometric regularity,” a skill previously assumed to be unique to humans ...

That’s exactly what happened in 1900 at the International Congress of Mathematicians at Sorbonne University in Paris.