More Americans have died in car accidents than have died in all the wars ever fought by the United States.
55
Couples' personalities converge over time to make partners more and more similar.
235
The streets of Victor, Colorado, once a gold rush town, are paved with low-grade gold.
78
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
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
97% of all paper money in the US contains traces of cocaine.
93