Our brains are filled with lots of specialized structures that do things like process visual information, handle memories, or interpret language. One of the ways we try to understand what a brain is ...

Bread–butter. Bird–fly. Hot–cold. Sky–blue. These are just a few of the countless deep-seated associations we’ve all acquired in our prior experience. The basis of such associative learning is so ...

Tiny, brainless jellyfish just did something that on the surface may seem impossible: the adorable creatures showed evidence of learning. Even with just 1,000 neurons active at a time and no central ...