HF

Hannah Fry

Mathematician at Cambridge; author of "Hello World"; broadcaster on maths and data

The latest interviews, podcast appearances, and blog posts from Hannah Fry, updated daily.

All26Video26Podcast0Post0Content from April 2026 onward
6 weeks ago
Aug 12

The Lake At The North Pole That Stops Europe From Freezing

When you picture the North Pole, you probably imagine a vast, frozen expanse of floating sea ice.

The Rest Is Science
6 weeks ago
Aug 9

The Science of Putting Sunglasses on The Sun

Why does the cartoon Sun always wear sunglasses? And how big would a real pair need to be? Hannah Fry and Michael Stevens investigate space mirrors, Reflect Orbital and solar eclipses to find out.

The Rest Is Science
8 weeks ago
Jul 29

What Happens Inside Earth's Forbidden Zones?

What grows in the spaces humans are forced to abandon?

The Rest Is Science
8 weeks ago
Jul 26

It Wasn't A Hoax After All

Did the world really end in 2012? Not with fire, meteors or an ancient Mayan prophecy, but Professor Hannah Fry and Michael Stevens ask whether something just as profound took place instead.

The Rest Is Science
2 months ago
Jul 22

Hack Dog Vision To Keep Your Bones Safe

Can you hide your skeleton from a dog? Would you want to know the day you’ll die? Has evolution ever come close to producing a real fire breather?

The Rest Is Science
2 months ago
Jul 19

The Hole In Your Brain That Makes You Doomscroll

Why can't you leave a sealed envelope unopened? Professor Hannah Fry begins by refusing to allow Michael Stevens to open a mystery envelope addressed to him.

The Rest Is Science
2 months ago
Jul 12

All The People You Don't Know

Do your friends actually like you? Does an acquaintance think you’re closer than you are?

The Rest Is Science
3 months ago
Jul 8

An Honest Dad Ranking (Out Of All 2 Billion)

The statistical reality of "The World's #1 Dad Mug" is nothing but a well meaning lie.

The Rest Is Science
3 months ago
Jul 5

Your Brain Invents Pain. Here's Why.

Stubbing your toe feels like the pain is entirely in your foot. But the reality is far stranger...

The Rest Is Science
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