The Reason We Yawn Might Might Be to Cool Down Our Brains What makes yawning so contagious? Why do we yawn? Could it be to cool our hot brains? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts How to Upload Your Mind 50 Debunked Science Misconceptions Will Make You Less Dumb Common science myths debunked What Is The Deep Space Network & How Does It Work? We Could Harvest Electricity from Human Tears, This Is How It Works The Future Of Warfare: Laser Cannons & Drone Armies
