This is The Guardian.

Hi, Madeline here.

The Science Weekly team are taking a break,

so we're bringing you some of our favourite episodes from 2025.

On Tuesday, we heard about some of the things we could all be doing to try and slow down aging.

And today's episode dives into one more.

Curiosity. We hope you enjoy it.

Here's a question for you.

Where on earth do trees grow with square trunks?

Curious to know?

Well, I am going to tell you the answer, but not yet.

To be a scientist, you have to be high in curiosity. You have to have a little bit of all the different types of curiosity in order to stick it out through those grueling research projects and not just give up.

I was able to follow my curiosity in a way, make a job out of my curiosity.

Doctors Matthias Gruber and Mary Watley have gone rather meta with their curiosity.

They study curiosity itself.

We looked at how curious people rated themselves to feel in response to a specific trivia question,

like what nation was the first to give women the right to vote and then they

rated how curious are you to learn the answer to that question they're asking what makes us curious

if you know that you know a little bit about something but you know that you don't fully know it or understand it,

that might be sort of the sweet spot.

Are some people more curious than others?

What does the term dinosaur actually mean?

...