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.

Scans reveal unique spiral optic nerves in chameleons, solving a 2,000-year-old mystery about how they move their eyes.

For more than a century, one small chameleon species sat in museum drawers and field notes, misread by the very science that sought to classify it. Only recently did a closer look at its vision and ...

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, ...