This Knife-Wielding Mini-Monster Wants You to Back Off Venomous stonefish carry a bony, retractable blade in each cheek, scientists have discovered. It’s not just for looks. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Stonehenge built using Pythagoras’ theorem 2,000 years BEFORE philosopher's birthNASA asteroid warning: Could space agency NUKE near-Earth object hazards into oblivion?Climate Change Brought a Lobster Boom. Now It Could Cause a Bust.SPACE WARNING: Huge sunspot opens on Sun as scientists brace for solar flaresGoogle AI can now predict when a hospital patient will DIESummer Solstice 2018 LIVE stream: How to watch the solstice live online HERE