Dire Wolves! They're Back?

A group of scientists meet a very unusual woman. A key part of her brain isn’t working: the amygdala. This is the part of the brain that we think is responsible for feeling fear. And in fact, this woman does seem pretty fearless. Researchers test her fear response using some very ...  Show more

Peptides are huge right now. Influencers are telling us they can work wonders for all sorts of stuff. Struggling with an annoying injury that won't heal?? Belly fat that's pissing you off? Low energy? Gut issues?? There’s a peptide out there for you. People are buying peptides of ...  Show more

Colossal says it's brought the dire wolf back from extinction — but the accuracy of that claim and the ethics of de-extinction are in question. This episode was produced by Devan Schwartz, edited by Jolie Myers, fact-checked by Laura Bullard, engineered by Andrea Kristinsdottir ...  Show more

Dogs were the first domesticated animal in history, emerging from wolves some 20,000 years ago. But how did wolves become dogs? To find the answer, scientists have to play with a lot of puppies. (First published in 2023.) Guest: Kathryn Lord, evolutionary biology researcher at UM ...  Show more

Non, ce n’est pas un scénario de science-fiction. Et pourtant, en 2025, une start-up américaine de génie génétique, Colossal Biosciences, affirme avoir réussi l’impensable : ressusciter une créature disparue depuis des millénaires, le loup terrible ou Canis dirus. Ce prédateur em ...  Show more

Why do wolves howl? With the help of AI, we're getting closer to an answer. Linguist and software engineer Jeffrey T. Reed shares his research on wolf sounds in the wild, revealing the surprisingly complex range of vocalizations — barks, yelps, whimpers, even teeth clacking — the ...  Show more