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 It’s Almost Impossible to Run a Two-Hour Marathon We Can Use Graphene Oxide to Desalinate Seawater How We Will Colonise The Moon How This Invention Could Save Natural Disaster Victims Star Wars: Identities Museum Exhibition Tour The US President’s $2,614 Per Minute Transport System
