Hi, we're here from Curiosity.com to help you get smarter in just a few minutes.

I'm Cody Gough.

And I'm Ashley Hammer.

Today you learn about why scientists measured how hard babies kick in the womb and the difference

in brain scans between people when they were

reading a book versus listening to a podcast. We'll also answer a listener question

about the history of fart humor. Let's clear the air on some curiosity.

In a study that's the first of its kind,

scientists have figured out how hard babies kick

when they're in the womb.

And the force of a fetal kick is more than a fun fact.

It's also a way to figure out if a fetus is

developing properly. Scientists have known for a while that those little

kicks are important for well-formed bones and joints because pregnancies with

too little movement tend to be associated

with skeletal abnormalities like scoliosis which is why researchers set out to answer the

question how much movement is the right amount.

For a January 2018 study, a team of scientists

gathered hundreds of fetal scans performed

with a technology known as C-A-M-R-I,

that's C-I-N-E, like Cinema, which records both internal features and movement.

From those scans, they chose 20 that depicted a full-blown kick.

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