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.
17:08
Is MSG Bad for Your Health?
Four decades of scientific studies suggest the food additive MSG may not deserve its toxic reputation.
#ObserveEverything: Staff Picks, Week #2
A celestial event, citizen science, and a variety of natural wonders drew observations in week 2 of Science Friday’s Science Club.
How to Make Quark Soup
Using massive feats of engineering, Brookhaven National Laboratory has devised a recipe for cooking up tiny ephemeral batches of this quark-gluon soup, a fluid which physicists Paul Sorensen say is the most “perfect” fluid ever discovered.
Fukang Pallasite: One of the Rarest Types of Meteorite
This rare type of meteorite offers insight into asteroid formation, as well as earth’s geologic processes.
#ObserveEverything: Staff Picks, Week #1
We observe: you’re amazing! Staff picks from the first week of Science Club’s #ObserveEverything
12:08
Do Chimps Have Culture?
Researchers say a real-world case of ‘monkey see, monkey do’ might model the origins of human culture.
16:59
Mining the Internet for Clues to Chinese Censorship
Protests continue in Hong Kong, but only glimpses of the activity make it into mainland China due to censorship.
16:38
Dance and Physics Collide in “Quantum”
Choreographer Gilles Jobin took inspiration from the movements of physics for his piece “Quantum.”
7:00
A Whiff of What’s to Come: What Sense of Smell Says About Health
Older adults’ sense of smell might be a strong indicator of their risk of mortality within a five-year span.
22:34
Community Labs Practice Do-It-Yourself Biology
In DIY biology labs across the country, citizen scientists take the tools of synthetic biology into their own hands.
16:58
Catching a Glimpse of an Eclipse
This month, North America will be under the skies of a full lunar eclipse on October 8 and a partial solar eclipse on October 23.
Is MSG Bad For Your Health?
Monosodium glutamate has gotten a bad rap for causing allergies, but is it justified?
Here’s What A Slice Of Mouse Eye Looks Like
A special imaging technology peers inside a mouse eye, revealing the distinct roles that cells play in maintaining retinal health.
The Science Friday Crossword Puzzle, Solved
Find out the answers—and backstories—to the SciFri-themed crossword puzzle.
Who’s Got the Biscotti? Mingling at the Ig Nobel Awards After-Party
The man of the hour is an octogenarian who claims more than 3,500 patents.
Science Club #ObserveEverything
Go out and observe something interesting! Submit your in-depth observations with the hashtag #ObserveEverything.
12:08
MAVEN Maneuvers Into Mars’s Orbit
MAVEN makes into Mars’s orbit in time to meet a comet and begin unraveling mysteries of the Martian atmosphere.
17:22
‘Internal Medicine’ Gives a Resident’s Eye View of the Hospital
A writer-doctor’s stories reveal the hospital through the eyes of a resident.