November 22, 2024
On the 50th anniversary of Lucy’s discovery, paleoanthropologists reflect on what she taught us about ourselves. Plus, divers have recovered seeds of a long-lost rye variety from a 146-year-old shipwreck in Lake Huron. And, a potato researcher explains potato varieties, potato nutrition, and some tubular tuber facts.
12:02
Saluting Science’s Silly Side, Virtually
Counting nose hairs and licking rocks: Here are some highlights from the 33rd First Annual Ig Nobel Prize ceremony, held virtually this year.
12:55
Stop Flushing Your Health Data Down The Toilet
Smart toilets are powered by AI to give users more insight into their health.
21:35
The ‘Wet-Dog Shake’ And Other Physics Mysteries
In his book “How to Walk on Water and Climb Up Walls,” David Hu explores the wonders of the animal world.
12:11
What’s That Smell? An AI Nose Knows
A computer model can map the structure of a chemical to predict what it probably smells like.
34:27
Jane Goodall On Life Among Chimpanzees
In an interview from 2002, the primatologist gave Ira a lesson in how to speak with chimps.
Over 1,100 Tree Species Are Only In Colombia. Nearly Half Are Threatened.
Scientists painstakingly documented the status of 860 tree species. Now, they’re working with local communities to repopulate those at risk.
11:43
An Exoplanet Where It Rains Sand
Astronomers are calling the exoplanet “fluffy.” Plus, an update on a possible volcanic eruption in Iceland.
7:53
The Science Behind Your Unraveling Sweaters
A textile professor and knit expert explains why many sweaters today are of poorer quality than sweaters in the past.
11:42
Moon Rocks Collected In 1972 Reveal New Secrets
Research on crystals brought back by the Apollo 17 mission shows that the moon is 40 million years older than we thought.
17:29
How AI Chatbots Can Reinforce Racial Bias In Medicine
Researchers examined four popular chatbots and found they perpetuated debunked, harmful ideas from race-based medicine.
10:30
The Captivating Story Of The West’s Wild Horses
You can buy a wild horse from the federal government for $125. Reporter Ashley Ahearn did just that.
6:22
An Artist Explores The History Of Humans Genetically Modifying Pigs
With opera and visual art, an exhibit looks at modern genetic engineering—and thousands of years of breeding—of pigs.
25:48
2023’s Best Science Books For Kids
An editor and a children’s author weigh in on this year’s best STEM books for kids. Plus, listeners share their own favorites.
Musician Kilo Kish Learns A New Trick
We might think that an old dog can’t learn new tricks. According to neuroscience and neuroplasticity though, that’s not true at all.
Euclid Telescope’s First Images Unveiled
A new ESA telescope could help us understand how dark matter and dark energy influence the structure of the universe.
Everything You Never Knew About Squash And Pumpkins
It’s squash, pumpkin and gourd season. An expert answers listener questions about these colorful fall favorites.
How A University Is Adjusting One Year After ChatGPT
An English professor discusses how AI is transforming education, and how students and faculty alike can use it responsibly.
Not Just Dying Stars: A Black Hole That Came From Gas
Using both JWST and the Chandra Observatory, astronomers discover the oldest known black hole, and confirm a theory.
Monumental And Invisible: How Infrastructure Works
An engineering professor and author explains how modern life depends on vast, complicated systems you probably never think about.
Ask A Chef: How Can I Use Science To Make Thanksgiving Tastier?
Chef Dan Souza from Cook’s Illustrated and America’s Test Kitchen answers your holiday cooking questions.