Episode (200)
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The long history of birds, from velociraptors to pigeons
Apr 28, 2026Comparing a backyard sparrow to a fearsome velociraptor seems odd, but modern birds are indeed living dinosaurs. Scientists are finding more and more connections between the past physiology of dinos a...
Your DNA is constantly mutating, and that’s a good thing
Apr 27, 2026Our bodily systems are rife with mutations. In fact, your DNA is mutating right now. These errors, and attempts to repair them, are a key to understanding immune function, aging, and even how heart di...
Maine nearly became the first state to ban data centers
Apr 25, 2026Data centers make controversial neighbors: They’re loud, they use a lot of water, and can drive electricity prices up. Following public concern and organizing efforts, Maine nearly implemented an 18-m...
What urban design tells us about democracy
Apr 24, 2026The way ancient societies like the Greeks, Maya, and Khmer Empire built their cities can tell us a lot about how a place was governed. Did rulers live in ornate palaces or alongside other residents? A...
Listening for the cosmic ‘dark ages,’ from the lunar far side
Apr 23, 2026What did the universe look like before any stars turned on? Astronomers call that time the “dark ages,” and while they think it may be possible to see remnants of it in very low frequency radio signal...
How do you describe nature? Two poets help us
Apr 22, 2026To mark Earth Day, we asked you to tell us about your favorite places on the planet. You took us to the woods near Traverse City, Michigan, to a lake in Oklahoma, to Long Island Harbor where you spent...
The lucky breaks that make our Earth home
Apr 21, 2026What makes Earth special, and why are we here at all? In his book “Why Do We Exist? The Nine Realms of the Universe That Make You Possible,” astrophysicist Hakeem Oluseyi tackles the conditions needed...
How New Jersey tamped down PFAS in drinking water
Apr 20, 2026Nearly all Americans have some type of PFAS, commonly known as “forever chemicals,” in their blood. The chemicals, which are linked to numerous health issues, were first regulated in drinking water at...
How a particle accelerator illuminated 56 human organs
Apr 17, 2026A new imaging technique using a particle accelerator is giving researchers an unprecedented level of detail of our organs, producing scans 100 billion times brighter than a CT scanner. Those 3D models...
Simone Giertz’s journey from robot comedy to high-end design
Apr 16, 2026In the 2010s, inventor Simone Giertz (pronounced “Yetch”) began making videos that straddled the line between practical and absurd. What if you had a robot that could feed you soup? Or a drone that co...