We’re tackling something new: questions about math! With us to offer some answers and some mind-blowing concepts is author Joseph Mazur.

Michael Downing, author of Spring Forward: The Annual Madness of Daylight Saving Time, explains the reasons behind this semi-annual ritual of moving the clocks forward and back.

Answers to all of your time questions with Andrew Novick of NIST, the National Institute of Standards and Technology.

Take away a pocket full of science knowledge and charming, bizarre stories about what fuels these professional -ologists’ obsessions. Humorist and science correspondent Alie Ward asks smart people stupid questions and the answers might change your life.

If you’ve been feeling helpless, this episode gives you all the tools you need to understand and help our friend, the World Ocean.

Experimental archeologist and decades-long ancient tool enthusiast Angelo Robledo is as passionate as an ologist can get.

Polymath, particle physicist, inventor of the Xbox, and truly delightful fermentation nerd Seamus Blackley joins to chat about his kitchen adventures resurrecting dormant yeasts from 4,000 Egyptian baking vessels, plus wild yeasts, the infuriating myth of “yeast scarcity,” the beauty of everyday objects, the debt we owe our ancestors, the joy of getting to know your dough plus tons of tips for newbie and experienced bakers.

Classical Archeologist and TV host Dr. Darius Arya dishes about priceless garbage piles, lead poisoning, ancient political scandals, pottery graveyards, unearthing sculptures, tomb discoveries, what’s under European cities, and how Roman society was a little like America these days. But also a lot different. And what we can learn from it.

Alie went off the rails at the Henry Ford Museum in Dearborn, Michigan talking to an official ferroequinologist and curator Matt Anderson — who confessed to some youthful railroad mischief, delivered a succinct slice of U.S. History, has train movie recommendations and discussed cars vs. trains in the great transportation debate.

Raw data, including DNA from human genomes, are a top global commodity. But historically, genomic research has left out minoritized communities. Keolu Fox is a genomics researcher trying to change that.

NPR climate correspondent Lauren Sommer explains how tribal leaders are trying to restore the practice by partnering up with state officials who are starting to see cultural burns as a way to help bring extreme wildfires under control.

Today on the show, Short Wave host Maddie Sofia and reporter Emily Kwong speak with AI policy analyst Mutale Nkonde about algorithmic bias — how facial recognition software can discriminate and reflect the biases of society.