A piece of wood sank more than two kilometers, and a limpet no one had described was living on it.

The bean is a shelter, and the larva inside can move the whole shelter away from heat and light.

A soft robot can bend almost anywhere, which makes knowing where it must not bend unusually difficult.

A feeder looked safe, but one ant-associated odor persuaded hummingbirds to keep flying.

A jeweled frog from around 1820 turns precious metal into a brief mechanical animal.

A quadruped learned a real obstacle course from scenes that had never existed outside a simulator.

Some cockatoos carried two different tools together before either one could be used.

A wolf spider's pressure-operated legs still formed a working gripper after the animal died.

A surface smaller than a grain of coarse salt replaced the stack of curved lenses in a camera.

A wild orangutan treated one injury with a plant already used in traditional medicine.