Dartboards are made out of horsehairs.
129
More Americans have died in car accidents than have died in all the wars ever fought by the United States.
55
If you had 10 billion $1 notes and spent one every second of every day, it would require 317 years for you to go broke.
109
A Swiss man replaced his car's broken heater with a fully functional wood burning stove.
15
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
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
