Inspired by the velvet worm, the robot ejects sticky secretions. The magnetically adhesive, untethered robot also removed a tumor from a mouse leg, showcasing its potential for surgical interventions.

Adult female Tiputini velvet worm (Oroperipatus tiputini) with her offspring. Adult female Tiputini velvet worm (Oroperipatus tiputini) with her offspring.

It’s a new species of velvet worm. Thousands of new species are found each year. Here are three of our most recent eye-catching stories. →Pregnant deep-sea creature — red, with yellow eyes ...