Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
The hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
27
Ants tend to survive in a microwave because they find the coolest spot and wait!
17
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
If you yelled for 8 years, 7 months and 6 days, you would have produced enough sound energy to heat one cup of coffee.
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