For more than two millennia, people have watched chameleons swivel their turreted eyes in different directions and wondered how such a small reptile pulls off a trick that seems to defy basic anatomy.

Time now for our science news roundup from Short Wave, NPR's science podcast. And we have the show's two hosts here, Regina Barber and Emily Kwong. Hello. REGINA BARBER, BYLINE: Hey. EMILY KWONG, ...

Chameleons’ extraordinary ability to move their eyes independently stems from a previously overlooked anatomical marvel: long, tightly coiled optic nerves hidden behind their bulging eyes. Modern CT ...