Episode (200)
Halaman 19 dari 20
The puzzle of the plasma doughnut
Nov 14, 2022What do you get if you smash two hydrogen nuclei together? Helium and lots of energy – it's nuclear fusion! Nuclear fusion is the power source of the sun and the stars. Physicists and engineers here o...
The Riddle of Red-Eyes and Runny-Noses
Nov 07, 2022Sneezes, wheezes, runny noses and red eyes - this episode is all about allergies. An allergic reaction is when your immune system reacts to something harmless – like peanuts or pollen – as if it was a...
The problem of infinite Pi(e)
Oct 31, 2022Pi is the ratio between a circle’s diameter and its circumference. Sounds dull – but pi turns out to have astonishing properties and crop up in places you would never expect. For a start, it goes on f...
The suspicious smell
Oct 24, 2022Why are some smells so nasty and others so pleasant? Rutherford and Fry inhale the science of scent in this stinker of an episode. Our sleuths kick off with a guided tour of the airborne molecules and...
The Wild and Windy Tale
Oct 17, 2022How do winds start and why do they stop? asks Georgina from the Isle of Wight. What's more, listener Chris Elshaw is suprised we get strong winds at all: why doesn't air just move smoothly between are...
The Case of The Missing Gorilla
Oct 10, 2022DO WE HAVE YOUR ATTENTION? Good! But how does that work!? Our intrepid science sleuths explore why some things immediately catch your eye - or ear - while others slip by totally unnoticed. Even, on oc...
Chi Onwurah
Oct 03, 2022Chi Onwurah tells Jim Al-Khalili why she wanted to become a telecoms engineer and why engineering is a caring profession. As a black, working class woman from a council estate in Newcastle, she was in...
The Evidence: How pandemics end
Oct 01, 2022Six and a half million dead. More than a hundred times that infected. The Covid-19 pandemic has wreaked havoc across the globe. But in the final months of the third year of this health crisis, some no...
David Eagleman
Sep 26, 2022Literature student turned neuroscientist, Prof David Eagleman, tells Jim Al-Khalili about his research on human perception and the wristband he created that enables deaf people to hear through their s...
Frances Arnold
Sep 20, 2022Nobel Prize winning chemist Frances Arnold left home at 15 and went to school ‘only when she felt like it’. She disagreed with her parents about the Vietnam war and drove big yellow taxis in Pittsburg...