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How Long Does Something Have to Be In the Ground Before It's Considered a Fossil?
It depends on who you ask.
BIG QUESTIONS
How Did They Measure the Height of Mt. Everest?
It's not as simple as whipping out a really big tape measure.
Why Can't You Open Your Car Door If Someone is Trying to Unlock It at the Same Time?
The mechanics of car locks are more complicated than you might think.
How Do Placebos Work?
There's a very real reason why your grandmother’s chicken soup makes you feel better when you're sick.
Why Do Planes Climb So Steeply at Takeoff?
First, let's define "steep" ...
Why Does Food Taste Bad After You Brush Your Teeth?
If you have no idea what we're talking about, go brush your teeth and chug some orange juice.
Does Washing Your Fruits and Vegetables Really Do Anything?
If you don't rinse your produce, it's time to start.
Do Lobsters Really Mate for Life?
The truth behind the trope.
Could an Astronaut Steal a Rocket and Lift Off, Without Mission Control?
You might want to think twice before trying it.
Why Do So Many Diners Look Like Train Cars?
Diners were the original pop-up stores.
Where Did the Ex-Confederate Leaders Go After the Confederacy Was Defeated by the Union?
Some went to prison. Others went into business.
How Did the Standing Ovation Originate?
Clapping is a nearly subconscious act—but when and why did we start standing up to do it?
Does Anyone Own the Moon?
A space lawyer offers his opinion.
How Do Linguists Pronounce GIF?
The debate rages on.
Who Started Casual Fridays?
On the final day of the typical office workweek, many employers give their workers the opportunity to dress down and loosen the rules on the standard dress code.
How Does Catnip Work?
Not all cats love it.
Why Are Mugshots Made Public Before a Suspect is Convicted by the Court?
It's a bit of a catch-22.
What Happens When You Flush an Airplane Toilet?
It's a marvel of poop-related engineering.
Why is Friday the 13th Considered Unlucky?
Today, people around the globe will feel uneasy about getting out of bed, leaving their homes, or going about their normal daily routines, all because of a superstition.