Unbelievable Construction Fails That Actually Happened

The More You Know

• The idea that a man should spend two months salary on an engagement ring was popularized by De Beers' ad agency.
• The majority of polar bears live in Canada—not in the Arctic.
• The hashtag symbol is technically called an octothorpe.
• The glass winged butterfly lacks colored scales, which makes its wings transparent and helps it avoid predators.