Mind Bending Photos of When the Laws of Physics Were Put to the Test

The More You Know

• A baby can cost new parents 750 hours of sleep in their first year.
• 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.
• A typical cloud weighs around 1.1 million pounds.
• You can hear a blue whale's heartbeat from more than 2 miles away.