We Could Harvest Electricity from Human Tears, This Is How It Works New research has found that an enzyme in tears can be used to generate electricity. Here’s everything you need to know. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Opening a Padlock by Melting It 3 Cool Materials That Mimic Shark Skin How does your body know what time it is? Can We Genetically Engineer Humans for Space? The Problem With Renewable Energy (and how we’re fixing it) What Happened Before History? Human Origins