Why mirror-guided search by an invertebrate changes the debate The finding matters because it breaks a long-standing assumption in comparative cognition: that only animals with large, centralized ...

Three California two-spot octopuses in a Dartmouth College lab learned to turn away from a mirror, not toward it, in order to reach food they could see only as a reflection. Trained over repeated ...

Nutrition science is a complicated, ever-changing animal. Some experts believe fat is the enemy, while others suggest eating more of it. The same is true for carbs, alcohol, and caffeine. It’s hard to ...