Space Elevators, Skyhooks, and Space Fountains
What is the fastest, cheapest and possibly worst way to get into space? Could a nuclear explosion launch a manhole cover beyond the Earth’s atmosp...
Hannah Ranks Michael's Bizarre Watches
Michael Stevens keeps a small museum of unusual timepieces on his desk: a clock that runs backwards, a watch built to be read in complete darkness, an...
Why Your Brain Thinks You're Full (Even When You're Not)
How did the Gila monster, a desert lizard that eats just five times a year, help unlock the science behind Ozempic, Wegovy and Mounjaro?In this episod...
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. But hidden deep beneath the surface of the Arctic li...
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...
Why Is It A Colour Wheel & Not A Line?
Colour wheel or colour line? Light itself runs in a straight line from red to violet, yet every colour theory chart bends that spectrum into a circle ...
Why Lithium Batteries SUCK
Can Hannah convince Michael that the lithium-ion battery is one of our most overrated inventions to ever happen? Hannah makes her case using a surpri...
What Happens Inside Earth's Forbidden Zones?
What grows in the spaces humans are forced to abandon?Hannah brings Michael an actual piece of barbed wire from the Korean Demilitarised Zone, one of ...
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 som...
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? ...