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What Makes Curly Hair Curly?
It all comes down to the root of the matter.
BIG QUESTIONS
Why Do Americans Say ‘Uh’ and ‘Um’ and British People Say ‘Er’ and ‘Erm’?
British people do not read 'er' and 'erm' in the way that Americans would read those words.
Why Do I See Stars When I Sneeze Too Hard?
You really do get stars in your eyes.
What's Happening When We Hear the Voice in Our Head?
The answer says a lot about language, mental illness, and ourselves
Why Do I Gag When Someone Else Barfs?
The reality behind the reflex.
What Are the Oldest Words in English?
You might be surprised what's stood the test of time.
Why Does the Airplane Oxygen Mask Have a Bag That “May Not Inflate”?
Why tell us, “although the bag on the oxygen mask may not inflate, oxygen is flowing to the mask”?
Why Does the Left Knob Control Hot Water and the Right Knob Control Cold?
In olden days, most sinks had a single pump for cold water on the right—to accommodate the right-handed majority.
4 Burning Questions We Just Can’t Answer
Despite all of the incredible things humans have figured out, we don’t know everything.
How Does Hawaii Have Interstate Highways?
Reader Jane writes: "How is it that Hawaii, which obviously borders no other states, has interstate highways?"
How Much Money Has Rick Astley Made From Rickrolling?
Have you ever clicked on an exciting link or potentially explosive news story, only to find yourself watching the video for Rick Astley's 1987 hit 'Never Gonna Give You Up'? Then you’ve been rickrolled, my friend.
What Is It Like To Be Invisible?
Discover the surprising (and very real) benefit of feeling like you're going unseen.
Why Are Calico Cats Almost Always Female (and Always Look Different)?
It's all the result of having two X chromosomes.
Why Is L.A. Traffic So Awful?
What Is Belly Button Fluff?
It’s blue, fuzzy and lives in your belly button, and it actually has an important function…
Does Drinking Alcohol Kill Brain Cells?
No, but it does cause temporary damage that can become permanent with alcoholism.
How Do Honey Bees Survive the Winter?
As hard as bees toil during their peak seasons, you’d think the colder months would bring some kind of hibernation or rest, even if it means snowy death.
Why Do Dogs Eat Poop?
Fine fecal dining, explained.
How Do Anthills Survive the Rain?
The ant fortresses you find on your lawn have a number of defenses.