Mechanical Engineers Discovered How the Arapaima Becomes Piranha-Proof...
Image: Silk666/Wikimedia... ...A couple of years ago, mechanical engineer Marc Meyers was sport fishing in Brazil and caught an arapaim... ...er before the piranhas get to it. That got Meyers thinking how the arapaima, which should've been a... ...The answer is in in its scales. In...
https://www.neatorama.com/2013/10/17/Mechanical-Engineers-Discovered-How-the-Arapaima-Becomes-Piranha-Proof/
