Their ability to hunt cooperatively is thought to stem from an adaptation in their brain. Lions have the most highly developed frontal cortex of all the big cats and this is the part of the brain ...

Brain teasers provide an intriguing method of testing and building intelligence, mainly in terms of measuring IQ based on problem-solving capability, abstract thinking, and pattern recognition.

The human brain is wired to recognize patterns, but it often struggles with negative space and camouflage illusions. Optical illusions like this challenge your logical reasoning and spatial ...