In this raucous tour of the history and psychology of innovation, one of today’s most entertaining science writers unpacks the five counterintuitive mental moves behind every breakthrough—and offers inspiration for anyone who dreams of inventing something new and making the world just a little bit better.

Here’s the biggest mystery in human history: Why did it take us 300,000 years to invent the toilet?

Come to think of it, why did discovering everything take so long? Why did we spend 1,500 years believing that you can deactivate a magnet with garlic? Why did centuries pass between the inventions of the button and the buttonhole? Why didn’t we didn’t come up with the randomized controlled trial—you know, the backbone of modern science—until 1948? Today, we’re spending more time, effort, and money on making breakthroughs, so why does the data suggest that scientific progress is slowing down?

In his debut book, creator of the hit Substack Experimental History Adam Mastroianni offers an answer: it’s hard for humans to discover things because discovery is, in the short term, a bad idea. We didn’t evolve to do it, and it’s a miracle that we can at all. That’s why we’re still living in the Dark Ages, where countless diseases remain uncured, and where we accidentally turned up the temperature and can’t figure out how to turn it back down again. We don’t even know whether flossing is good for you (really).

But there’s good news. We can overcome our psychological hurdles and build a better world—if we embrace the strange. Mastroianni draws on the little-known backstories of discovery—from Elizabethan jokes to physicists who set themselves on fire—to unpack the five strange ways of thinking that lead to a breakthrough, like building a tolerance for weirdness and realizing that nobody actually knows what they’re doing. Anyone who masters these moves can discover new knowledge, regardless of whether they’re a tenured professor in a lab or a teenager in a basement. Our future depends on both.

Written with the distinct blend of hilarity and rigour that has made his Substack a must-read, The Strangest Idea in the World is unlike any other book. Chock full of rabbit holes, dead ends, hidden pages, visual tricks, interactive moments, and secret endings, the book subverts expectations, busts myths about science that even scientists believe, and, most importantly, offers an antidote to despair: the adventure of seeking the truth.

© Adam Mastroianni 2027 (P) Penguin Audio 2027