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500 million tweets are made in Twitter every day.
Americans throw away 2.5 million plastic bottles per hour. Each one takes 500 years to decompose.
Since at least the time of Pythagoras in 500 BC, no educated person believed the Earth was flat.
If all the salt in the sea were spread evenly over the land, it would be 500 feet thick, about the height of a 40-story building.
Leif Erikson is regarded as the first European to land in North America, nearly 500 years before Columbus.
In Japan, there’s a train that “floats” above the tracks by magnetism, reaching 500 km/h (311 mph).
The cost of college in the U.S. has gone up 500% since 1985.
The U.S. Army admitted it secretly dumped 64 million pounds of nerve and mustard gas agents into the ocean from 1944 to 1970, along with 400,000 chemical-filled bombs and more than 500 tons of radioactive waste.
The blue whale can produce the loudest sound of any animal. At 188 decibels, the noise can be detected over 800 km (500 mi) away.
Elvis Presley is considered the best-selling individual artist of all time, with over 500 million records sold.
Tsunamis can go as fast as a jetliner’s cruising speed: up to 800 kilometers per hour (500 mph).
The cost of college in the U.S. went up 500% from 1985 to 2013.
Over 500 girls have been named Hermione since the first ‘Harry Potter’ movie came out.
A beach was stolen from Jamaica in 2008. The 500 truckloads of sand are still missing to this day.
Comet Lovejoy released as much alcohol as the amount found in 500 bottles of wine every second during its peak activity.
There are 500 identified plant species depicted in the painting “Primavera” by Boticelli.
Adolf Hitler was member #555 in the Nazi Party, but the party started counting at 500 to look bigger.
Sanitary pads can take 500 to 800 years to decompose in landfills.
More than 40% of the Fortune 500 companies in 2010 were founded by an immigrant or the child of an immigrant.
At Stalin’s funeral, 500 people were trampled to death.