This robot crawls over your body and scans your skin with a microscope

SkinBot on a hand

SkinBot inspects a wrist

Artem Dementyev/MIT Media Lab

Robots are great for exploring places that are hard to reach. We’ve sent them to explore the surface of Mars and the depths of the oceans. Soon they could be crawling over the outside of your body.

SkinBot is a palm-sized bipedal robot with suction-cup feet inspired by leeches and the suckers of cephalopods. Artem Dementyev at the Massachusetts Institute of Technology Media Lab is interested in developing small helper robots that live on our bodies.

Dementyev and his colleagues have previously built robots called Rovables that crawl …