Memes That Only Introverts Can Relate To

The More You Know

• Hippos have the largest mouths of any animal on land.
• Researchers have found that swearing when in pain may release pain-killing endorphins.
• A Nepalese doctor has restored the sight of over 100,000 often poverty-stricken people in the last thirty years across Asia and Africa using a 5 minute procedure and an inexpensive artificial lens.
• A blue whale's tongue weighs as much as an elephant.