- Swiss mathematician Leonhard Euler was probably the most influential mathematician of the 18th century, making discoveries in graph theory and introducing many modern mathematical words and notations among other things..
- A group of kangaroos is called a mob.
- Halley's comet passes the Earth every 76 years (the next time it will return will be 2062).
- Red light has the highest wavelength.
- The only letter which doesn't appear in the Periodic Table is j.
advertisement
  reload more facts | visit cool facts
add this widget to your website
|