On Today's Podcast
A Lab-Grown Salmon Taste Test And More Foodie Innovations
Cell-cultured salmon is showing up on menus. How does it compare to the real thing? Plus, food innovations from cultivated meat to mung beans.
Listen NowOctober 24, 2025
A new documentary puts viewers in the shoes of Neanderthals and early humans, giving an intimate glimpse into humans’ evolutionary history. Plus, cell-cultured salmon is showing up on menus. How does it compare to the real thing? And, how mental health information on social media can be both revelatory and misleading.
11:04
Plant Emissions: How Do Trees Interact With Pollution?
Certain tree species can add to pollution if they’re planted in certain locations.
11:34
Water on Earth Is a Million Years Older Than the Sun
The cloud of gas and dust that eventually condensed to form the Sun contained “thousands of oceans of water,” says astronomer Ted Bergin.
17:26
Stories to Make You Think BIG
With his new story about a 20-kilometer-high skyscraper, sci-fi author Neal Stephenson hopes to get engineers thinking big.
16:54
Science Friday Science Club: Observe Everything
The Science Club embarks on its next project and explores observation.
Picking Up Where We Left Off
An excerpt from Neal Stephenson’s story in “Hieroglyph: Stories and Visions For a Better Future.”
Art Bots and Talking Blenders: A Stroll Through Ars Electronica
Every September, the Ars Electronica Festival draws artists, scientists, and technologists to Linz, Austria, to swap ideas and show off cutting-edge artworks.
A Resilient Hybrid: Fused Staghorn Coral
This hybrid coral could withstand climate change better than its relatives.
Solve the Science Friday Crossword Puzzle!
Test your Science Friday knowledge with this crossword puzzle challenge by constructor Fred Piscop.
Inside the Box: Crossword Puzzle Constructing in the Computer Age
Computer software and word databases are changing the crossword puzzle game.
The Business of Surgery: Has Love Been Lost?
An excerpt from “The Cost of Cutting.”
Jumping Spider Shake Down
Can you match each jumping spider dance to its vibratory song?
12:07
The People’s March Against Climate Change
Ahead of the United Nations Climate Summit, the People’s Climate March in New York City will bring a public voice to the climate change discussion.
17:40
‘Dr.Fill’ Vies for Crossword Solving Supremacy
A computer program named “Dr.Fill” competes against human solvers for crossword puzzle glory.
7:24
Functional Features: The Evolution of the Human Face
Human social interaction may have been the reason faces evolved to be varied and unique.
8:57
Shake Your Silk-Maker: The Dance of the Peacock Spider
With their ornately colored bodies, rhythmic pulsations, and booty-shaking dance moves, male peacock spiders attract mates and researchers alike.
12:08
Artificial Sweeteners Might Sour Your Microbiome
Researchers say artificial sweeteners may alter the microbiome and the body’s ability to control glucose levels.
17:16
Dissecting the Politics and Money Behind Health Care
In “The Cost of Cutting,” private practice surgeon Paul Ruggieri delves into the shadowy ways money influences health care.
16:42
Food Failures: How to Collect Mushrooms (and Eat Them, Too)
Eugenia Bone, president of the New York Mycological Society, talks about the dos and don’ts of wild mushroom foraging.
Shake Your Silk-Maker: The Dance of the Peacock Spider
With their ornately-colored fur, rhythmic pulsations, and booty-shaking dance moves, male peacock spiders attract the attention of spectating females as well as researchers.