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 Can’t we Remake the Rocketdyne F1 Engine? Prevent Cavities With The Help Of This AI Toothbrush Math Proves Time Travel IS Possible! Earth Has an Underground Reservoir of Water Larger Than All Oceans 13,000-Year-Old Skeleton A Clue To Native American Origins Can You Really Die of Old Age?
