A brainless slime mold known as Physarum polycephalum uses its body to sense mechanical cues in its environment. Then, in a process similar to what we consider 'thinking', they decide on the best ...

Our past experiences help us navigate future obstacles, and it seems that even some organisms without a brain have that skill. Though slime molds do not have a nervous system, they can store and ...

Once you’ve seen a slime mold—its gooey, delicately branching structure oozing in a vaguely unsettling way along a log or leaf—you’re unlikely to forget it. They’re unmistakable because there’s ...