Couples' personalities converge over time to make partners more and more similar.
235
The average IQ is 100, while 140 is the beginning of genius IQ.
140
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The first household refrigerators cost about $16,000, in today's money!
47
A Swiss man replaced his car's broken heater with a fully functional wood burning stove.
15



