Have One of These Toys in Your Attic? You Could Be Sitting on a HUGE Payday

The More You Know

• The Japanese created a smoke alarm for those who can't hear, which pumps super-spicy wasabi mist into the air to alert them.
• Dogs can learn up to 165 words.
• Four times more people speak English as a second language than as a native one.
• You can hear a blue whale's heartbeat from more than 2 miles away.