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Book 2, Question 55 · Video

Why Does Mint Feel Cold?

Video · 2:13 · Crafty Clover explains, from A Million Whys Book 2

Why does mint feel cold when nothing got cooler? Mint turns on the cold sensors in your mouth, so your brain thinks it is chilly. It is a playful mix-up between chemistry and feeli

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What Crafty Clover says in this video

Intro

Hey there, curious minds! I'm Crafty Clover! Let's discover something amazing. Why does mint feel cold?

The Big Idea

Mint feels cold because of a chemical called menthol. Menthol switches on the same sensors that notice cold. So your brain thinks it is cold, even though nothing actually got cooler. It is a playful mix-up between chemistry and feeling.

Mint Hits the Tongue

Step one: mint hits your tongue. Mint leaves have a natural chemical called menthol. It touches the tiny sensors in your mouth. Mint plants make menthol to protect themselves from bugs.

Cold Sensors Fire

Step two: cold sensors fire. Menthol flips the switch on cold receptors, which are special sensors. The sensors send signals up to the brain. Your cold sensors usually wake up when the temperature drops.

Brain Says Chilly

Step three: your brain says chilly. Your brain gets the message and thinks, brr, cold! It cannot tell the difference between menthol and real cold. The sensors cannot tell the difference between real cold and menthol.

A Closer Look

Let's take a closer look at the mint trick. Menthol is the minty chemical. The cold sensor is the switch that menthol flips on. And the brain reads the signal and says, chilly! This is how a tiny leaf can feel like ice.

Quick Facts

Quick facts! The temperature did not change. It is just a clever trick! Chili can trick heat sensors the same way. Your mouth is really good at detecting temperature. Mint gum and toothpaste use this trick, too. Sensors in your body are constantly sending little messages.

Think Like a Scientist

Now, think like a scientist! Taste a mint. Then sip some room-temperature water. Does the water feel colder than usual? Why do you think that happens?

Outro

Mint is a cool trick your brain plays on you! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!

Why I wrote this