On Today's Podcast
African Grey Parrots Are Popular—And It’s Fueling Illegal Trade
Talkative African grey parrots are charismatic internet stars. A global scramble to source and sell the birds threatens their survival.
Listen NowNovember 21, 2025
Flora and “Part-Time Genius” co-host Mangesh Hattikudur put one lucky listener to the test with food science trivia. Plus, talkative African grey parrots are charismatic internet stars. A global scramble to source and sell the birds threatens their survival. And, Google’s tool for predicting how proteins “fold” turns 5 this year.
7:47
Pyramid Remodeling and the Neighborhood Behavior of Sperm Whales
Annalee Newitz, the tech culture editor at Ars Technica, joins us to discuss the week’s science news, including how to find a hidden room in an ancient pyramid.
4:15
Turning Down the Greenhouse Gases in Your Air Conditioning
A global agreement will phase out heat-trapping HFCs in air conditioners, refrigerants, and other systems.
17:27
Is All Fair in Love and Cyber War?
With rumblings about possible U.S. retaliation for alleged Russian-backed hacks, we ask about the rules and norms that govern international cyber conflicts.
16:46
Introducing the Science Friday Educator Collaborative
Six inspiring science teachers have turned Science Friday media into innovative classroom resources.
12:10
Return of the Screwworm Is Bad News for Endangered Deer
A flesh-eating parasite, previously eradicated on U.S. soil, has decimated Florida’s Key deer. Can the screwworm be re-eradicated in time to save them?
11:37
Sorting Out the Numbers of Political Polls
What should you look for when reading a political poll?
5:23
‘It Was Totally Planet Nine’
Astronomer Konstantin Batygin returns with evidence that Niku’s orbit was influenced by Planet Nine.
Making An Entrance: The First Black Women At Langley Lab
In this excerpt from “Hidden Figures,” Margot Lee Shetterly describes the integration of Black female mathematicians at Langley Memorial Aeronautical Laboratory.
17:36
These Black Women Helped Send Us To The Moon
Remembering the African American women mathematicians and engineers whose calculations got us into space.
The Albedo Effect, Urban Heat Islands, and Cooling Down Your Playground
Explore the albedo effect by designing a school playground with lower surface temperature, then learn how soot from wildfires changes the albedo of the Greenland ice sheet.
Above the Ice, an Artist Goes Deep
Artist Justin Brice Guariglia will be collaborating with NASA in Greenland to explore how its icy landscape is changing.
7:44
Footprints in Time, a Stolen Gene, and a Mark on the Moon
Science writer Nadia Drake describes some of the week’s stories in science, including the discovery of more than 400 ancient footprints frozen in time in Tanzania.
4:11
A Carbon Contradiction
Reservoirs are both sources of renewable energy and one of the world’s biggest producers of greenhouse gases.
11:40
That’s Not What the Doctor Ordered
What happens when direct-to-consumer lab tests take physicians out of the equation?
17:26
Scientists Develop a Hornless Cow Through Gene Editing
Researchers used gene editing to develop a dairy cow that doesn’t grow horns.
17:10
Are Digital Assistants Smart Enough to Do Their Jobs?
As tech companies battle to develop the best digital assistant, we ask how they measure up, and why we so often fail to connect.
35:09
Science in the Crosshairs
How Congress, lawsuits, and other challenges are shaping scientific debate over climate science, fetal tissue research, and more.
What Your Lips Might Say About You
Researchers are studying what lip prints and other subtle physical traits might reveal about the etiology of cleft lip and palate.
Grabbing the Horns From the Bull
Alison Van Eenennaam and colleagues at UC Davis, along with researchers at the biotech company Recombinetics, aim to develop a genetically hornless cattle that might one day replace cows whose horns must be physical removed through expensive and painful methods.
