Slime molds look like simple goop, but their behavior suggests a surprising kind of problem-solving ability. Without a brain or nervous system, they can navigate obstacles, optimize routes, and adapt ...

A single-celled slime mold known as the blob demonstrates problem-solving, memory, and efficiency without a brain, mirroring human-designed transit systems.

FIRST there was the dress – with people arguing about whether it was gold and white or black and blue. And now there’s a new optical illusion that’s left people scratching their ...