Some strange mathematical sequences are always whole numbers — until they’re not. The puzzling patterns have revealed ties to graph theory and prime numbers, awing mathematicians. Simple, yes, but ...

In cognitive tests for recognizing certain types of patterns, crows outperformed monkeys. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Crows ...

A multi-institutional research team found the cognitive ability to represent recursive sequences occurs in humans and non-human primates across age, education, culture and species. Recursion -- the ...