Cruise Ship Secrets Hidden In Plain Sight

The More You Know

• A solar powered, self-filling water bottle has been invented for bike riders that condenses atmospheric moisture to automatically fill the bottle.
• You can hear a blue whale's heartbeat from more than 2 miles away.
• Hippos produce their own sunblock.
• Vietnam is one of the most pro-US countries in the world, with 76% having a favorable view. This is higher than Japan, the United Kingdom, and France.