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Episode 1618

Spinning Cookies

A book of photographs and essays by famous writers celebrates libraries — and the librarians who changed their lives. Plus cutting doughnuts, spinning cookies, and pulling brodies: There are lots of ways to talk about spinning a car in circles on...

Episode 1590

Primary Colors

Centuries ago, monks who took a vow of silence developed their own hand signs, with hundreds of gestures, that are still in use today. Plus, how do speakers of different languages distinguish similar shades and tints of colors such as red, yellow...

Episode 1583

Made from Scratch

Enthusiastic book recommendations! Martha’s savoring the biography of Alexander von Humboldt, the 19th-century explorer, polymath, and naturalist who revolutionized our understanding of nature and predicted the effects of human activity on...

Butter of Antimony, Flowers of Zinc

Butter of antimony, blue vitriol, flowers of zinc are terms used for centuries by alchemists, now replaced by the scientific names antimony trichloride, cupric sulfate, and powdered zinc oxide. In his delightful memoir Uncle Tungsten: Memories of a...

Episode 1558

Your Two Cents

Astronauts returning from space say they experience what’s called the overview effect, a new understanding of the fragility of our planet and our need to reflect on what humans all share as a species. A book about the end of the universe...