The More You Know

• Saint Patrick's Day began as a "feast day". To honor him, Christians could put aside their Lenten restrictions on food and alcohol consumption, which is why excessive drinking has become linked to the celebration.
• Elephants comfort each other with chirps.
• Over 80 million bacteria can be exchanged in one kiss.
• The Japanese created a smoke alarm for those who can't hear, which pumps super-spicy wasabi mist into the air to alert them.