July 4, 2025
In this archival show, undersea archaeologist Robert Ballard shares adventures from beneath the waves and his love for deep-sea exploration. Plus, research suggests that we share parts of our microbiome with people in our social networks beyond family members. And, a book uses science and the benefit of hindsight to figure out how to survive some of history’s biggest disasters.
Your Questions About COVID-19, Answered
You’ve had a lot of questions about the novel coronavirus. We’ve compiled answers and tips from health experts we’ve interviewed on the show.
6:44
What Does A ‘Pandemic’ Actually Mean?
What the World Health Organization’s declaration of a ‘pandemic’ means, and more from the week in science.
5:04
Is A New HIV-Prevention Drug Worth The Extra Cost?
With affordable generic PrEP drugs on the horizon, a new brand-name PrEP rollout complicates access to underserved communities.
4:44
Introducing Our New Podcast: Science Diction
A new podcast from Science Friday looks at the scientific backstories behind words.
29:33
How Will We Respond To The Latest Farm Crisis?
In the 1980s, farmers were pushed to the brink of suicide. Today, it might be worse.
17:05
Walking With The Dinosaurs Of Scotland’s Isle Of Skye
Paleontologists discovered tracks of middle Jurassic carnivorous dinosaurs and a stegosaurus in the area.
28:16
Coronavirus: Sanitizing, According To Science
The coronavirus is easy to kill with soap and water. We talk how it works, and why it matters for more people than you.
Science Diction: Cobalt
‘Cobalt’ takes its name from a pesky goblin—and mischief is baked into its name.
Science Diction: Dinosaur
The origin of the word ‘dinosaur,’ and the story of its self-sabotaging inventor.
Science Diction: Vaccine
The origin of the word ‘vaccine’ stretches back to a disease, a test subject, and… a cow.
Science Diction: Meme
The word ‘meme’ has more to do with evolutionary biology than the internet.
Subscribe To Our New Podcast ‘Science Diction!’
Calling all word nerds! Science Friday has a new podcast called ‘Science Diction.’ Subscribe and listen to the trailer now!
8:00
A Human Trial For CRISPR Gene Therapy
The clinical trial was performed on cells inside a human eye. Plus a satellite rescue mission, parrot probability, and more in this week’s News Roundup.
3:46
What You Don’t Know About Well Water Could Hurt You
Residents in Kansas who use private wells face uncertainty about what’s in their water.
9:57
All Thumbs: A New Trick For Dexterity In Prosthetic Hands
Surgery and AI are teaming up to make artificial limbs more intuitive and user-friendly—and expanding the capabilities of the next generation of prosthetics.
6:22
Name That Call: Test Your Animal Sound Trivia
Can you guess the chirp, squeak, and growl? Put your knowledge to the test in our quiz with Google Earth.
12:05
Could A “Marsquake” Knock Down Your House?
What studying seismic activity on mars tells us about the red planet.
17:07
Do You Have The ‘Right Stuff’ To Be An Astronaut?
NASA is accepting applications for a new class of astronaut candidates. Do you have what it takes?
16:22
New Insight Into Whales On The Go
Researchers found a link between whale strandings and solar storms that may hint at magnetic navigation. Plus, the answer to whale migration may lie in skincare.