0
Skip to Content
Today You Should Know
👋 About
🫁 Anatomy
🌌 Astronomy
🦠 Biology
🧪 Chemistry
🎭 Culture
🔧 Engineering
🍟 Food & Drink
📜 History
✍️ Language
🧵 Life Skills
🧮 Math
🎹 Music
🧲 Physics
🧠 Psychology
🏛️ Public Policy
⚙️ Technology
🐋 Zoology
All Articles
Surprise Me!
🤔 Submit a Question
📚 Book Recommendations
🦄 Weird Wikipedia
Subscribe
Today You Should Know
👋 About
🫁 Anatomy
🌌 Astronomy
🦠 Biology
🧪 Chemistry
🎭 Culture
🔧 Engineering
🍟 Food & Drink
📜 History
✍️ Language
🧵 Life Skills
🧮 Math
🎹 Music
🧲 Physics
🧠 Psychology
🏛️ Public Policy
⚙️ Technology
🐋 Zoology
All Articles
Surprise Me!
🤔 Submit a Question
📚 Book Recommendations
🦄 Weird Wikipedia
Subscribe
👋 About
Folder: 📝 Articles
Back
🫁 Anatomy
🌌 Astronomy
🦠 Biology
🧪 Chemistry
🎭 Culture
🔧 Engineering
🍟 Food & Drink
📜 History
✍️ Language
🧵 Life Skills
🧮 Math
🎹 Music
🧲 Physics
🧠 Psychology
🏛️ Public Policy
⚙️ Technology
🐋 Zoology
All Articles
Surprise Me!
🤔 Submit a Question
📚 Book Recommendations
🦄 Weird Wikipedia
Subscribe
Why do potatoes sprout?
Food & Drink, Biology Caitlin Olson 11/27/25 Food & Drink, Biology Caitlin Olson 11/27/25

Why do potatoes sprout?

Open this article to get tater taught

Read More
How was bread invented?
History, Food & Drink Caitlin Olson 9/25/25 History, Food & Drink Caitlin Olson 9/25/25

How was bread invented?

You knead to read this one

Read More
Can you cook pasta without boiling water?
Food & Drink, Life Skills, Chemistry, Physics Caitlin Olson 7/17/25 Food & Drink, Life Skills, Chemistry, Physics Caitlin Olson 7/17/25

Can you cook pasta without boiling water?

I can also confirm that a watched pot does indeed boil

Read More
Why does a tire company rate restaurants?
History, Food & Drink Caitlin Olson 5/1/25 History, Food & Drink Caitlin Olson 5/1/25

Why does a tire company rate restaurants?

“Yes, I’ll have the caviar with a side of car tires.”

Read More
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?

Read More
Why are hot dogs called hot dogs?
Food & Drink, Language, History Caitlin Olson 3/13/25 Food & Drink, Language, History Caitlin Olson 3/13/25

Why are hot dogs called hot dogs?

Let me be frank(furter).

Read More
Why does a wooden spoon stop water from boiling over in a pot?
Food & Drink, Physics Caitlin Olson 11/14/24 Food & Drink, Physics Caitlin Olson 11/14/24

Why does a wooden spoon stop water from boiling over in a pot?

A penne saved is a penne earned.

Read More
How did Dr Pepper get its name?
Food & Drink, History Caitlin Olson 10/17/24 Food & Drink, History Caitlin Olson 10/17/24

How did Dr Pepper get its name?

Disclaimer: I am not responsible for the missing period

Read More
Why does salt make food taste better?
Anatomy, Food & Drink, Chemistry Caitlin Olson 10/3/24 Anatomy, Food & Drink, Chemistry Caitlin Olson 10/3/24

Why does salt make food taste better?

Our least bland article yet

Read More
Why do we eat cake on birthdays?
History, Food & Drink, Culture Caitlin Olson 9/5/24 History, Food & Drink, Culture Caitlin Olson 9/5/24

Why do we eat cake on birthdays?

Your birthday wish for birthday history has been granted.

Read More
Why is the first pancake always bad?
Science, Food & Drink, Life Skills Caitlin Olson 7/4/24 Science, Food & Drink, Life Skills Caitlin Olson 7/4/24

Why is the first pancake always bad?

Don’t settle for a flop(jack).

Read More
How does popcorn pop?
Science, Food & Drink Caitlin Olson 6/6/24 Science, Food & Drink Caitlin Olson 6/6/24

How does popcorn pop?

And why do we eat it at the movies?

Read More
Is peanut butter a liquid?
Science, Food & Drink Caitlin Olson 5/23/24 Science, Food & Drink Caitlin Olson 5/23/24

Is peanut butter a liquid?

This might seem nuts, but…

Read More
What is vinegar and how does vinegar preserve food?
Science, Chemistry, Food & Drink Caitlin Olson 4/18/24 Science, Chemistry, Food & Drink Caitlin Olson 4/18/24

What is vinegar and how does vinegar preserve food?

And what exactly is the “mother” of vinegar?

Read More
Why does frying in oil make food crispy?
Science, Food & Drink, Chemistry, Life Skills Caitlin Olson 4/11/24 Science, Food & Drink, Chemistry, Life Skills Caitlin Olson 4/11/24

Why does frying in oil make food crispy?

If you've ever wondered why your food tastes so good when it's cooked in oil, it's because of a little thing called heat transfer.

Read More
Does soaking beans reduce gas?
Science, Life Skills, Food & Drink Caitlin Olson 4/11/24 Science, Life Skills, Food & Drink Caitlin Olson 4/11/24

Does soaking beans reduce gas?

The more you soak, the less you toot?

Read More
How is vegetable oil made?
Science, Chemistry, Food & Drink Caitlin Olson 3/14/24 Science, Chemistry, Food & Drink Caitlin Olson 3/14/24

How is vegetable oil made?

It’s greasy work.

Read More
How is coffee decaffeinated?
Science, Life Skills, Food & Drink, Chemistry Caitlin Olson 1/25/24 Science, Life Skills, Food & Drink, Chemistry Caitlin Olson 1/25/24

How is coffee decaffeinated?

There’s no such thing as a coffee bean without caffeine.

Read More
Why doesn't honey go bad?
Science, Life Skills, Biology, Food & Drink Caitlin Olson 11/16/23 Science, Life Skills, Biology, Food & Drink Caitlin Olson 11/16/23

Why doesn't honey go bad?

Bees are miracle workers.

Read More
What is freeze drying?
Science, Technology, Food & Drink Caitlin Olson 8/10/23 Science, Technology, Food & Drink Caitlin Olson 8/10/23

What is freeze drying?

It should be called “freeze drying drying”.

Read More
Older Posts
GIF of Past Newsletter Articles

Curious about how the world works?

Today You Should Know is a free weekly email newsletter designed to help you learn something new every Friday in 5 minutes or less.

Subscribe today 👇

Today You Should Know is a labor of love by Caitlin.

Learn five facts about Caitlin.

Caitlin

Recent Articles

About

Book Recommendations

Privacy Policy