Sunflowers can be used to clean up radioactive waste.
17
It's impossible to kill yourself by holding your breath.
22
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The search engine Google got its name from the word 'googol', which refers to the number one with a hundred zeros after it.
56
Couples' personalities converge over time to make partners more and more similar.
235
The chances of making two holes-in-one in a round of golf are one in 67 million.
67
Real diamonds do not show up on x-ray.
36