Trilobites: Chop Off This Worm’s Head and It Can Still Detect Light 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. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Inca cosmology: How ancient civilisation was at whim of ‘SUPERNATURAL forces’Eclipse 2019 in Arizona: When is lunar eclipse visible, time, how to watch Blood MoonEclipse 2019: How to photograph the Blood Moon? Veteran photographer David Noton's tipsEclipse 2019 in Indiana: When is lunar eclipse visible, time, how to watch Blood MoonEclipse 2019 in Florida: When is lunar eclipse visible, time, how to watch Blood MoonEclipse 2019 India LIVE STREAM: Watch Blood Moon online - How to watch lunar eclipse