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 Why We May Not Be Able to Visit Space in the Future A neuroscientist reveals why you’re so bad at remembering names 12 Popular Science Myths Debunked A New Force of Nature Has Been Discovered! See How an Insane 7-Circle Roundabout Actually Works This Is How Your Brain Works
