Chop Off This Worm’s Head and It Can Still Detect Light by JOANNA KLEIN

By JOANNA KLEIN Planarian flatworms can react to light when they lose their heads and brains, and gradually regain their ability to distinguish different hues as they regenerate their bodies. Published: July 30, 2017 at 08:00PM from NYT Science http://nyti.ms/2wgenEV