In Chapter 2, “Surfaces,” author Scott Grafton describes the ancient process of action perception, which helps organisms navigate their environments.

A new book explores the crosstalk between mind and body and how it helps humans navigate their worlds.

Insects wearing 3-D glasses detect computer-generated prey.

A major sensory neuron in roundworms distinguishes proprioception from harmful touch by sending out local or whole-cell signals, respectively.

Blue bottle flies use many different movements and a specific behavior sequence in order to stick a ceiling landing.

The evolution of different ways of flying in birds affected wing range of motion, but not wing shape.

See a tiny, jellyfish-like robot swim, burrow, and carry beads.

Scientists track the movement of sperm flagella.

A fossil of a school of fish from the Eocene appears to represent coordinated collective movement.

Watch young birds move like rock climbers.

The skull bones of a catfish move in coordination when capturing prey.

Researchers in Australia are capturing movement data by fitting cats with accelerometers and sending them outdoors.

An artificially intelligent program tracks the motion of infants to help doctors look for links to disorders with abnormal motions.

Slithering snakes mimic waves of light, “diffracting” as they pass by an obstacle.

The protein RhoA coordinates pulses of movement in Caenorhabditis elegans cells.

The colossal fish bank like airplanes when turning.

Cells with the best traction on a substrate pull their neighbors toward firmer ground.