- Hydrofluoric acid will dissolve glass
- A tickle sensation is your body’s reflex warning to something that may potentially hurt you
- The only letter that doesn't appear in the Periodic Table is "J"
- No matter its size or thickness, no piece of paper can be folded in half more than 7 times
- By raising your legs slowly and laying on your back, you can't sink in quicksand
- Ten minutes of one hurricane contains enough energy to match the nuclear stockpiles of the world
- Hawaii is moving 10.16 cm closer toward Japan every year
- Porcupines float on water
- Tigers not only have striped fur, but striped skin as well
- Crocodiles swallow stones to help them dive deeper
- Shark's teeth are literally as hard as steel
- Diamonds are the hardest substance known to man
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