logo
episode-header-image
May 2015
2m 31s

Seashell Shapes Show Strength for Safety

Scientific American
About this episode

Analysis of clamshell and screw-shaped shells reveals the structures withstand much greater forces than would a simple sphere or cylinder. Cynthia Graber reports

 

Learn more about your ad choices. Visit megaphone.fm/adchoices

Up next
Oct 8
Chris Hadfield’s Fictional Universe Is Rooted in Real Space History
What happens when a real-life astronaut turns to fiction? In this episode, Chris Hadfield shares how decades of spaceflight and global diplomacy inspired his latest novel, Final Orbit, a cold war thriller packed with historical intrigue and technical precision. Host Rachel Feltma ... Show More
10m 52s
Oct 6
Enceladus’s Alien Ocean, Ancient Fungi and the Flavor of Influenza
Saturn’s moon Enceladus reveals complex organic molecules that could hint at extraterrestrial life. Researchers also uncover fungi’s ancient reign over Earth and warn that second COVID infections may pose greater risks to young people. Plus, ants ferment yogurt, and flu detection ... Show More
9m 47s
Oct 3
Enter One of the World’s Quietest Rooms
Inside one of the quietest rooms in the world, host Rachel Feltman meets artist-in-residence Seth Cluett at the historic anechoic chamber at Bell Labs to explore the science of silence and sound perception. From popping balloons in total silence to hearing your own nervous system ... Show More
20m 5s
Recommended Episodes
Aug 2024
Create Ease with Decluttered Spaces
Discover how decluttering your physical and mental spaces can lead to a more simplified and stress-free life. Learn more about your ad choices. Visit podcastchoices.com/adchoices 
6m 1s
Jul 2024
Intuition ou Analyse ? Le match
Découvrez pourquoi l'intuition peut être une alliée précieuse pour les experts mais un piège pour les débutants.  Explorez des exemples fascinants, des échecs à la Formule 1, et comprenez comment équilibrer instinct et analyse rationnelle pour prendre des décisions éclairées en i ... Show More
7m 46s
Oct 2024
Splat or subsurface ocean? The mysterious positioning of Pluto’s heart
This week, we investigate the mysteries of Pluto's iconic heart-shaped feature. We explore recent research on the origins of the Sputnik Planitia region and what it can tell us about whether or not the dwarf planet has a subsurface ocean. Our guest, Adeene Denton from the Univers ... Show More
56m 41s
Mar 2025
A strange signal from space
This week on Unexplainable or Not, the newest member of our team, Julia Longoria, tries to figure out which of three scientific mysteries about the sea, the land, and the sky has actually been solved. Guest: Admir Masic, associate professor of civil and environmental engineering ... Show More
36m 56s
Feb 2025
The Burning Mountains of Io, Part 3
In this episode of Stuff to Blow Your Mind, Robert and Joe return once more to the Jovian moon of Io, to discuss more recent findings about its volcanism and geology, as well as a look at the mythology behind its name.See omnystudio.com/listener for privacy information. 
49m 12s
Mar 2025
Scan Technology Reveals Hidden Chambers at Giza?
Approach with caution. In March 2025, a group calling itself the “Khafre Research Project” posted visual information online about the pyramid of Khafra at Giza. The group claims that Synthetic Aperture Radar (or SAR) scans at Giza have revealed “structures” beneath the pyramids. ... Show More
10m 2s
Feb 2025
The Burning Mountains of Io, Part 1
In this episode of Stuff to Blow Your Mind, Robert and Joe return once more to the Jovian moon of Io, to discuss more recent findings about its volcanism and geology, as well as a look at the mythology behind its name.See omnystudio.com/listener for privacy information. 
46m 40s
Jul 2018
Inside the Test Chamber for NASA's Astronaut Vehicle Double
Inside an 80-foot-tall chamber on Lockheed Martin’s Denver-area campus, backgrounded by red-rock ridges, stands a hulking spacecraft. You have to crane your neck to see the top of the apparatus. At the bottom, wires spew from a porthole to snake up and down and away. The cylindri ... Show More
6m 40s
Feb 2025
Is science in danger?
Funding cuts and research censorship have shaken the foundations of America’s health and science agencies, leaving researchers shocked, confused, and afraid. What does this mean for the future of science?For show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/un ... Show More
25m 31s
Dec 2020
Intelligence Squared Year-Ender
Looking back at 2020, it’s been interesting. Intelligence Squared, like the rest of the world, went virtual as a result of the Covid-19 pandemic that upended business models and accelerated trends far beyond what most experts could envision. (“To zoom” no longer just means “to mo ... Show More
53m 55s