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17 Facts That Sound Fake But Are Actually Totally True

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17 Facts That Sound Fake But Are Actually Totally True


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Did you know you can hear the difference between hot and cold water?

You can hear the difference between hot and cold water when it's poured.

If that sounds fake to you, just give this video a listen. The key is that the viscosity of water decreases as the temperature increases, so the difference you're hearing is largely due to the change in viscosity.

Tom Scott / YouTube / Via youtube.com

Sharks existed before trees.

Sharks existed before trees.

The earliest undisputed shark fossils date back 420 million years. The first trees appeared on Earth during the Devonian period, and the oldest estimates place them at about 408 million years ago.

Dcorn / Getty Images

Blue eyes are newer to the human race than pottery.

Blue eyes are newer to the human race than pottery.

A 2008 study by a team at the University of Copehagen traced the gene for blue eyes back to one common ancestor, who mostly likely lived about 10,000 years ago. By contrast, the oldest pieces of pottery unearthed in China date back as far as 20,000 years ago.

Stevemcsweeny / Getty Images

Charlie Chaplin and 50 Cent were alive at the same time.

Charlie Chaplin and 50 Cent were alive at the same time.

Though they're thought of as living in very different times, Chaplin died on Dec. 25, 1977... Roughly two and a half years after Curtis Jackson, aka 50 Cent, was born.

Hulton Archive / Astrid Stawiarz / Getty Images

Cumulus clouds can weigh more than a million pounds.

Cumulus clouds can weigh more than a million pounds.

An average cloud of about 1 cubic kilometer in volume would weigh an estimated 1.1 million pounds.

Eerik / Getty Images

One 17-inch pizza is more pizza than two 12-inch pizzas.

One 17-inch pizza is more pizza than two 12-inch pizzas.

Let's do some pizza math, shall we? The area of a circle is ?*r?, so a 17-inch pizza would have an area of about 227 square inches >

Issaurinko / Getty Images

The state of Michigan is slightly bigger than Great Britain.

The state of Michigan is slightly bigger than Great Britain.

The area of Great Britain is 94,226 square miles, including land and water area. Comparatively, the land and water area of Michigan is 96,716 square miles. However, if you only consider land area, Britain has Michigan beat by a little over 36,000 square miles.

iStock

All peacocks are male.

All peacocks are male.

There's no such thing as a female peacock...because they're called peahens. If you're referring to a group of the two, you'd just call them peafowl.

Alexeyvis / Getty Images

More people are killed each year by cows than by sharks.

More people are killed each year by cows than by sharks.

The CDC found 21 incidents of cow-related deaths in a four-state area over a five-year period, which comes out to just about four deaths per year just in that area. Meanwhile, there's only about one death per year attributed to shark attacks.

Lindsay_imagery / Getty Images

The 2% margin of error the Chinese government aims for when taking their population census is larger than the entire population of Australia.

The 2% margin of error the Chinese government aims for when taking their population census is larger than the entire population of Australia.

The population of China, as of 2016, was 1.378 billion. Two percent of that is still a whopping 27.57 million people, which is larger than the population of Australia, which was a little over 24 million in 2016.

Tyler Sprague / Getty Images

A quarter of all the bones in the human body are in the feet.

A quarter of all the bones in the human body are in the feet.

A human foot contains 28 bones, so the total number of bones in both feet is 56. That's a little over 27% of the 206 bones in the entire human body.

Leonello / Getty Images

The people who first measured Mount Everest actually added a couple inches so the number didn't sound made-up.

The people who first measured Mount Everest actually added a couple inches so the number didn't sound made-up.

The team that first measured the height of Everest's tallest peak found that the height was exactly 29,000 feet. Fearing that the public would think the numbers were an estimate, the team reported the height as 29,002 feet in order to make it sound more accurate. Since then, more accurate methods of measurement have found the official height to be 29,035 feet.

Zzvet / Getty Images

Twice as many people use the New York City subway system each year than fly on domestic U.S. flights.

Twice as many people use the New York City subway system each year than fly on domestic U.S. flights.

In 2016, there were 711 million passengers aboard U.S. domestic flights. In the same year, 1.757 BILLION people used the MTA. Of course, these numbers reflect each time a person got on a plane or subway train and not the number of unique passengers, but still...that's a lot of people.

Itsten / Getty Images

Lighters were invented before matches.

Lighters were invented before matches.

The Dobereiner Lamp, invented by Johann Wolfgang Dobereiner in 1824, is credited with being the first push-button lighter. Dangerous matches were created before that, but safe, practical friction matches in the form we know them today — i.e. a wooden stick with an ignitable tip — weren't invented until 1827.

Givaga / Getty Images

When the Krakatoa volcano erupted in 1883, the sound was so loud that it could be heard at least 3,000 miles away.

When the Krakatoa volcano erupted in 1883, the sound was so loud that it could be heard at least 3,000 miles away.

It's said to have been the loudest sound in recorded history.

Byelikova_oksana / Getty Images

The population of California is larger than the entire population of Canada.

The population of California is larger than the entire population of Canada.

In 2016, the population of California was reported to be 39.25 million people. In 2017, the population of Canada is estimated to be 35.62 million. California is very big.

Dikobraziy / Getty Images

The world's population doubled in the last 50 years.

The world's population doubled in the last 50 years.

In 1960, the world's population was about 3 billion people. As of 2010, that number jumped to 7 billion, more than doubling in five decades.

United States Census Bureau / Via census.gov

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