'What If? 2' is Randall Munroe's second round...

Dictionaries were once bestsellers, but between the internet and artificial intelligence, its role in our culture has changed. Stefan Fatsis is out with a new book called Unabridged: The Thrill of (and Threat to) The Modern Dictionary, which documents this shift. In today’s episo ...  Show more

In 2017, Wicked author Gregory Maguire set out to tell the backstory of another classic fairytale. His novel Hiddensee focuses on Herr Drosselmeyer, the powerful toymaker in The Nutcracker. In today’s episode, we revisit a conversation between Maguire and then-NPR host Lulu Garci ...  Show more

How many soulmates do you think people have? What if you tried to funnel all the water from Niagara falls through a straw? Do you think it’s possible? if you sold the whole planet for scrap–what parts would be most valuable? You might think these absurd questions are unanswerable ...  Show more

How many soulmates do you think people have? What if you tried to funnel all the water from Niagara falls through a straw? Do you think it’s possible? if you sold the whole planet for scrap–what parts would be most valuable? You might think these absurd questions are unanswerable ...  Show more

Randall Munroe, the cartoonist behind the popular Internet comic xkcd, finds complicated solutions to simple, real-world problems. In the process, he reveals a lot about science and why the real world is sometimes even weirder than we expect. His latest book is called How To: Abs ...  Show more

Brian Cox and Robin Ince are joined by comedian Jo Brand, mathematicians Prof Hannah Fry and Dr Eugenia Cheng, and xkcd webcomic creator Randall Munroe to discover how thinking like a mathematician could solve some tricky everyday conundrums. From the optimal strategy to finding ...  Show more