logo
episode-header-image
Jul 2025
35m 40s

12 tiny worlds

Vox
About this episode
If you went back 500 million years and re-ran evolution, would life be totally different today? Guests: Richard Lenski and Zachary Blount, evolutionary biologists at Michigan State University For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ For more, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unexplainable⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ And please email us! ⁠⁠ ... Show More
Up next
Today
Who are we to fight the alchemy?
Many alchemical texts are full of bizarre, metaphorical language. But what if there's interesting science hiding behind some of those metaphors? Guest: Lawrence Principe, professor of the history of science and professor of chemistry at Johns Hopkins University For show transcrip ... Show More
31m 41s
Mar 11
Snow day!
Grab some hot cocoa and a warm blanket and let’s talk about the tiny crystals that fall from the sky. Guest: Jessica Lundquist, professor of civil & environmental engineering at the University of Washington For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠⁠ ... Show More
28m 31s
Mar 9
My brain made me do it
A man committed a crime. He admitted it. Then something alarming showed up on an image of his brain. The criminal case that followed in 1991 brought neuroscience into the courtroom for good. How does our ever-changing understanding of the brain impact how we approach justice? Gue ... Show More
27m 20s
Recommended Episodes
May 2025
Do Mitochondria Talk to Each Other? A New Look at the Cell’s Powerhouse
Mitochondria are known as the powerhouse of the cell—but new research suggests they might be far more complex. Columbia University’s Martin Picard joins Scientific American’s Rachel Feltman to explore how these tiny organelles could be communicating and what that might mean for e ... Show More
27m 4s
Oct 2025
Enceladus’s Alien Ocean, Ancient Fungi and the Flavor of Influenza
Saturn’s moon Enceladus reveals complex organic molecules that could hint at extraterrestrial life. Researchers also uncover fungi’s ancient reign over Earth and warn that second COVID infections may pose greater risks to young people. Plus, ants ferment yogurt, and flu detection ... Show More
9m 47s
Sep 2025
The Role Our Microbiome Plays In Our ‘Gut Feelings’
Scientists are tuning in to a surprising conversation happening inside us—between our gut and our brain. Host Rachel Feltman chats with Maya Kaelberer, an assistant professor at the University of Arizona’s department of physiology, to explore how intestinal cells and microbiomes ... Show More
13m 26s
Jan 2023
BS 204 Guy Caldwell: The Role of Molecular Biology in Neuroscience
<p>This month's episode is an encore presentation of an interview with <a href="https://bsc.ua.edu/profiles/guy-a-caldwell/" target= "_blank" rel="noopener">Dr. Guy Caldwell</a> from the University of Alabama. Dr. Caldwell explains how tools from molecular biology make it possibl ... Show More
1h 15m
Aug 2025
Chikungunya Outbreak, Glacial Outbursts and a New Human Ancestor
The chikungunya virus is rapidly spreading in China. Could it make its way to the U.S.? Meanwhile in Alaska a glacial lake outburst flooded the nearby Mendenhall River to record levels. And in Ethiopia fossilized teeth reveal a new species of Australopithecus—one that possibly li ... Show More
10m 50s
Feb 2025
Exploring the Hidden Life in the Air around Us with Carl Zimmer
Scientists now agree that COVID spreads via airborne transmission. But during the early days of the disease, public health officials suggested that it mainly did so via close contact. The subsequent back-and-forth over how COVID spread brought science journalist Carl Zimmer into ... Show More
16m 47s
Jun 2025
Colossal Creatures
How big can animals really get before they collapse under their own weight or run out of snacks? Could a 12-foot comedian survive their first punchline without snapping in half? Listener Andrew sends Hannah and Dara on a deep dive into the science of supersized species.With evolu ... Show More
28m 57s
Oct 2025
The Science of a Convincing Sorry
What makes an apology sound sincere? Psychologist Shiri Lev-Ari joins host Rachel Feltman to explore how the effort we put into our words—especially through longer, easier-to-understand language—can signal genuine remorse. New research reveals that even subtle linguistic choices ... Show More
11m 16s
Sep 2025
Kissing Bugs, Koalas and Clues to Life on Mars
A paper published by the Centers for Disease Control and Prevention argues that Chagas disease is now endemic in the U.S. Koalas may finally be spared from a deadly epidemic. Meanwhile NASA’s Perseverance Mars rover has uncovered tantalizing clues about potential ancient microbia ... Show More
9m 37s
Feb 2025
Sample Return Missions - What Could Possibly Go Wrong?
This time Dr Becky Smethurst and Izzie Clarke discover why it’s touch and go when it comes to returning asteroid samples to Earth and hear how we’ve been exchanging spit with Mars since the dawn of the Solar System. The team is joined by Dr Sara Russell, a meteorite researcher at ... Show More
46m 40s
Listen to millions of songs and podcasts on Anghami