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 The Explosion that Transformed Astronomy This Machine Can Detect Your Memory! How Do We Know What the Milky Way Looks Like? Why It’s Almost Impossible to Run 100 Meters In 9 Seconds Welding by Explosion Can Combine Any Metals Together How The Netherlands Stopped The Wind
