A typical lead pencil can draw a line that is 35 miles long.
158
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
The streets of Victor, Colorado, once a gold rush town, are paved with low-grade gold.
78
The strangers in your dreams are actually people that you've seen in real life.
50
One human hair can support 3 ounces.
191