You don’t need a brain to learn something new – not if you’re a slime mold, anyway. Scientists who watched Physarum polycephalum search for food found that the slime mold could learn to ignore certain ...

Slime molds are among the world’s strangest organisms. Long mistaken for fungi, they are now classed as a type of amoeba. As single-celled organisms, they have neither neurons nor brains. Yet for ...

Evidence mounts that organisms without nervous systems can in some sense learn and solve problems, but researchers disagree about whether this is “primitive cognition.” Slime molds are among the world ...