- Diamonds are the hardest natural substance.
- Snakes can't blink.
- Red light has the highest wavelength.
- From 2010 to 2017, every tweet was archived by the Library of Congress.
- An iguana can stay under water for 28 minutes.
- Some fish cough. Really.
- There are over 2,500 different types of mushrooms.
- Giraffes have no vocal cords.
- When water freezes it expans by 9%.
- The first human-made object to break the sound barrier was a whip.
  reload more facts
|