Million Whys Press logo
Million Whys PressToronto
← Book 21 videos

Book 21, Question 134 · Video

Why Don’t Our Bodies Sense Magnets the Way They Sense Heat?

Video · 1:46 · Crafty Clover explains, from A Million Whys Book 21

Birds, turtles, and sharks seem to sense magnets. But can you feel a magnet from far away? Humans cannot, and scientists are curious about why.

Read the full answer →

What Crafty Clover says in this video

Intro

Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. Why don’t our bodies sense magnets the way they sense heat?

The Big Idea

Birds, turtles, and sharks seem to sense magnets. But can you feel a magnet from far away? Humans cannot, and scientists are curious about why.

No Known Body Part

Step one: no known body part. Humans have no known body part that clearly senses the direction of magnetic fields. We feel heat on our skin, but not magnets.

Brain Hints

Step two: brain hints. A few experiments hint that our brains may respond a little to changes in the field. But people do not notice anything.

Tools Help

Step three: tools help. This is safe, because everyday magnets are harmless. We use tools like compasses and sensors in phones to do the sensing for us.

A Closer Look

Let's take a closer look! People feel heat and cold. We do not clearly feel magnets. Brains might respond a little. Compasses sense it for us.

Quick Facts

Quick facts! Scientists keep testing whether people have a weak magnetic sense. We feel heat but not magnets. Tools like compasses do the sensing for us. Everyday magnets are harmless to people.

Think Like a Scientist

Now, think like a scientist! Close your eyes and have a friend spin you slowly. Try to point north. Check with a compass how close you were. Try again and compare. Then explain what you learned to a friend.

Outro

People cannot clearly sense magnetic fields, so we use compasses and phone sensors to do it for us. Science is amazing! What will you discover next? 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