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Why does the sound of nails on a chalkboard give you chills?
Physics, Anatomy, Biology Caitlin Olson 1/15/26 Physics, Anatomy, Biology Caitlin Olson 1/15/26

Why does the sound of nails on a chalkboard give you chills?

Thank goodness for dry erase boards

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Why does drinking something cold make you cough?
Anatomy Caitlin Olson 1/2/26 Anatomy Caitlin Olson 1/2/26

Why does drinking something cold make you cough?

Call that an "iced cough-ee"

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Why do we zone out?
Psychology, Anatomy Caitlin Olson 12/18/25 Psychology, Anatomy Caitlin Olson 12/18/25

Why do we zone out?

I won’t be offended when your mind wanders reading this

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Why does stress cause people to overeat?
Psychology, Anatomy Caitlin Olson 11/13/25 Psychology, Anatomy Caitlin Olson 11/13/25

Why does stress cause people to overeat?

When cortisol calls, cookies answer.

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Why do we say "achoo" when we sneeze?
Language, Anatomy, Culture Caitlin Olson 10/30/25 Language, Anatomy, Culture Caitlin Olson 10/30/25

Why do we say "achoo" when we sneeze?

Or “AHHHH-CHOOOOO!!!!” if you’re a dad

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Why do men have nipples if they can't breastfeed?
Anatomy, Biology Caitlin Olson 10/9/25 Anatomy, Biology Caitlin Olson 10/9/25

Why do men have nipples if they can't breastfeed?

Evolution really can't be bothered

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Do sports teams that train in high altitudes have a home advantage?
Physics, Anatomy, Math Caitlin Olson 10/2/25 Physics, Anatomy, Math Caitlin Olson 10/2/25

Do sports teams that train in high altitudes have a home advantage?

High elevation = high scores?

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Why does your stomach growl?
Anatomy Caitlin Olson 9/18/25 Anatomy Caitlin Olson 9/18/25

Why does your stomach growl?

The reason for the rumbly in your tumbly

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What causes dark circles under your eyes?
Anatomy Caitlin Olson 8/7/25 Anatomy Caitlin Olson 8/7/25

What causes dark circles under your eyes?

Open to see George Clooney, a raccoon, and lots of eyes

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Why are teenagers so impulsive?
Psychology, Anatomy Caitlin Olson 7/24/25 Psychology, Anatomy Caitlin Olson 7/24/25

Why are teenagers so impulsive?

Their brains literally can’t even (yet)

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Why does oversleeping make you tired?
Anatomy, Life Skills Caitlin Olson 7/10/25 Anatomy, Life Skills Caitlin Olson 7/10/25

Why does oversleeping make you tired?

I yawned so much writing this

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What happens in your body when you sneeze?
Anatomy Caitlin Olson 6/5/25 Anatomy Caitlin Olson 6/5/25

What happens in your body when you sneeze?

I hope you achoo-se to open this article

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How will 3D printing organs work?
Anatomy, Technology Caitlin Olson 4/24/25 Anatomy, Technology Caitlin Olson 4/24/25

How will 3D printing organs work?

This ain’t your grandma's HP printer

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What makes you feel full when you're eating?
Anatomy, Food & Drink Caitlin Olson 3/27/25 Anatomy, Food & Drink Caitlin Olson 3/27/25

What makes you feel full when you're eating?

Are you hungry for a human anatomy lesson?

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Why does your voice sound different on a recording​?
Anatomy, Physics, Psychology Caitlin Olson 3/6/25 Anatomy, Physics, Psychology Caitlin Olson 3/6/25

Why does your voice sound different on a recording​?

Hear me out — your ears are deceiving you

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Why does traveling make you tired?
Anatomy, Physics Caitlin Olson 2/20/25 Anatomy, Physics Caitlin Olson 2/20/25

Why does traveling make you tired?

Going from point A to point Zzzzzzz

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What causes the "butterflies in your stomach" feeling?
Anatomy Caitlin Olson 2/13/25 Anatomy Caitlin Olson 2/13/25

What causes the "butterflies in your stomach" feeling?

Fight, flight… or flirt?

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Why do paper cuts hurt so much?
Anatomy, Physics Caitlin Olson 2/6/25 Anatomy, Physics Caitlin Olson 2/6/25

Why do paper cuts hurt so much?

Don’t worry. You're safe if you didn't print this article.

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Why are people ticklish?
Anatomy Caitlin Olson 1/16/25 Anatomy Caitlin Olson 1/16/25

Why are people ticklish?

And why are others immune?

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Why do you feel sore the day after a workout?
Anatomy Caitlin Olson 12/19/24 Anatomy Caitlin Olson 12/19/24

Why do you feel sore the day after a workout?

I think we’ve all done the Post-Workout Waddle Walk

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