Special Episode: Mary Roach & Replaceable You

Already this summer, heatwaves are causing thousands of deaths across the world, catastrophic flooding threatens millions, wildfires rage across enormous swathes of the globe, many regions face extreme drought conditions, and a very strong El Niño is predicted for later this year ...  Show more

Few spiders hold the dubious honor of name recognition among the general public. Most that do, like black widows, Australian funnel-web, the Goliath birdeater, are renowned not for their cute colors or weaving skills but for being fearsome, dangerous predators. The brown recluse ...  Show more

In this episode of Science Quickly, host Rachel Feltman explores the age-old quest to replace failing human body parts with science writer Mary Roach. From ancient surgery to modern medical marvels, Roach shares insights from her new book Replaceable You, revealing why replicatin ...  Show more

Mary Roach dives into the strange, funny, and unsettling world of designing new body parts, from pig hearts to prosthetic feet, revealing just how messy replacing ourselves can be.

Replaceable You

Pigs with human kidneys. Iron lungs. Bionic prostheses. And bendable genitals. Mary Roach is here, and Alie is freaking out. Over the last two decades, this science icon has written seven New York Times bestsellers, including Stiff, Bonk, Gulp, and Pack ...

Does the human body really replace itself every few years? The answer is yes, but different parts of the body do so at different rates. Learn all about which parts of your body are the speediest, and which take the longest to regenerate, in this classic episode.See omnystudio.com ...  Show more