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Why are skyscrapers made of glass?
History, Technology, Engineering Caitlin Olson 4/11/24 History, Technology, Engineering Caitlin Olson 4/11/24

Why are skyscrapers made of glass?

Two important innovations allow us to scrape the sky with these glassy giants.

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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.

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Why doesn't the U.S. use the metric system?
Science, History, Culture, Policy Caitlin Olson 4/11/24 Science, History, Culture, Policy Caitlin Olson 4/11/24

Why doesn't the U.S. use the metric system?

The metric vs. imperial debate has gone on since the inception of the United States. And it begins with pirates (seriously).

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Why do candles smoke when blown out?
Science, Chemistry, Physics Caitlin Olson 4/11/24 Science, Chemistry, Physics Caitlin Olson 4/11/24

Why do candles smoke when blown out?

What if I told you the smoke is actually vaporized wax?

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How does Bluetooth work?
Science, Technology, Engineering Caitlin Olson 4/11/24 Science, Technology, Engineering Caitlin Olson 4/11/24

How does Bluetooth work?

Bluetooth allows for the transferring of data between two devices over a short distance via ultra high frequency radio waves.

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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?

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Why do trains make a screeching noise?
Engineering, Physics Caitlin Olson 4/11/24 Engineering, Physics Caitlin Olson 4/11/24

Why do trains make a screeching noise?

Chugga-chugga-choo-screech

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What is quantum entanglement?
Science, Physics Caitlin Olson 4/11/24 Science, Physics Caitlin Olson 4/11/24

What is quantum entanglement?

I canโ€™t explain it in this blurb.

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Why do harmonies sound good?
Science, Music, Math, Psychology, Culture Caitlin Olson 4/10/24 Science, Music, Math, Psychology, Culture Caitlin Olson 4/10/24

Why do harmonies sound good?

Our brains crave balance, order, and symmetry.

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How do whales communicate with each other?
Science, Biology, Zoology Caitlin Olson 4/10/24 Science, Biology, Zoology Caitlin Olson 4/10/24

How do whales communicate with each other?

โ€œWoooooowwwwwwooohhhhhh wwonnnkkkkkwoaaaaaaaaaaahhhhhhhhhhhoooooooooooooooooooooooooooooooooawoooooโ€ - Whales

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Why is Shakespeare still taught in high school today?
Literature, History, Culture, Policy Caitlin Olson 4/5/24 Literature, History, Culture, Policy Caitlin Olson 4/5/24

Why is Shakespeare still taught in high school today?

Plus why labor laws are the reason you were taught Romeo and Juliet in 9th grade.

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Why does xโฐ = 1?
Math Caitlin Olson 4/4/24 Math Caitlin Olson 4/4/24

Why does xโฐ = 1?

Math: It's ^powerful^ stuff.

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Why do we have emotions?
Science, Life Skills, Psychology, Biology Caitlin Olson 3/28/24 Science, Life Skills, Psychology, Biology Caitlin Olson 3/28/24

Why do we have emotions?

Theyโ€™re there to help you, I promise.

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How do palm trees survive hurricane winds?
Science, Biology Caitlin Olson 3/21/24 Science, Biology Caitlin Olson 3/21/24

How do palm trees survive hurricane winds?

It turns out that palm trees are not technically trees.

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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?

Itโ€™s greasy work.

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Why do cats "make biscuits"?
Science, Zoology, Biology Caitlin Olson 2/29/24 Science, Zoology, Biology Caitlin Olson 2/29/24

Why do cats "make biscuits"?

They are (probably) not trying to open a bakery.

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How do thermal printers work?
Life Skills, Science, Technology, Chemistry, Engineering Caitlin Olson 2/22/24 Life Skills, Science, Technology, Chemistry, Engineering Caitlin Olson 2/22/24

How do thermal printers work?

Heat + ink + paper = receipt

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What happens to an insect that hitches a ride far from their home?
Science, Zoology, Biology Caitlin Olson 2/15/24 Science, Zoology, Biology Caitlin Olson 2/15/24

What happens to an insect that hitches a ride far from their home?

It turns out that insects are prolific hitchhikers.

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Why do humans kiss each other?
Science, Psychology, Biology Caitlin Olson 2/8/24 Science, Psychology, Biology Caitlin Olson 2/8/24

Why do humans kiss each other?

Or as one researcher described it, โ€œskin sucking behaviour.โ€

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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?

Thereโ€™s no such thing as a coffee bean without caffeine.

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