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 What Is The Future Of Language? How To Count Past Infinity The 70% top tax rate, explained with potatoes What Happens to a Helium Balloon in Freefall? Why the “God Particle” May Be the End of Us All Ion-Powered Rockets Could Take Us to Distant Planets
