- As a world commodity coffee is second only to oil.
- It is not possible to tickle yourself.
- The tentacles of the giant arctic jellyfish can reach 36.6 meters (120 feet).
- Polar bears can smell a seal from 20 miles away.
- An astronaut can be up to 2 inches taller returning from space (the cartilage disks in the spine expand in the absence of gravity).
- All the blinking in one day equates to having your eyes closed for 30 minutes.
- Hawaii was originally called the Sandwich Islands.
- The surface area of a brick is 79 cm squared.
- A blue whale's heart beats just twice a minute when it dives.
- Lion's can't roar until the age of 2.
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