On Today's Podcast
Reconnecting with the night sky and reining in light pollution
Writer Craig Childs biked from the brightest sky to the darkest in our Book Club pick "The Wild Dark." Plus, the latest on light pollution.
Listen NowJuly 10, 2026
Two experts at the forefront of untangling the gut-brain connection explain its role in IBS, Parkinson’s, and depression. Plus, writer Craig Childs biked from the brightest sky to the darkest in our Book Club pick "The Wild Dark." And, while fog itself is not alive, researchers found that it can contain an ecosystem, including bacteria that eat pollutants.
11 Things You Didn’t Know About Saguaro Cacti
Were you aware that saguaros are black market commodities? Here’re some other cool cactus facts.
30:36
The Secret Life of the Sonoran Desert
We check in on the Gila monsters, saguaros, and microbial crusts living in the desert Southwest.
15:59
How Cosmic Collisions Have Shaped Our Solar System
Some of our solar system’s landmarks can trace their origins to massive impacts.
36:35
Gripping Science Tales Need Not Be Science Fiction
How can scientists tell compelling stories without hyping or distorting the science?
9:34
Studying Rocks Found on Earth for Clues About Space
We’ll take a tour of the Center for Meteorite Studies, and learn how meteorites can teach us about the history of the solar system.
12:01
For Babies, It’s Better to Like What I Like
How green beans, graham crackers, and puppets can give insight into the development of moral behavior.
17:25
Grand Central: An Engine of Scientific Innovation
Standard time zones and electric trains were both pioneered at New York’s Grand Central Terminal.
16:37
Birds Evolve Shorter Wings to Escape Traffic Crush
Cliff swallows with shorter wings appear better suited to avoid becoming roadkill.
29:13
Scientists Search for Gulf War Illness Answers
More than 20 years later, many Gulf War veterans still suffer from an array of unexplained ailments.
16:24
Project Seeks to Bring Extinct Species Back to Life
Michael Archer, leader of the “Lazarus Project,” describes early efforts to bring a frog species back from extinction.
Black Bear for the Win
Jim Stroner’s shot of a bear emerging from its den wins our 2013 Winter Nature Photo Contest.
12:16
Can Just One Concussion Change the Brain?
A single concussion may cause brain damage, but it remains difficult to diagnose these injuries.
7:21
Arming Fat Cells to Fight Brain Cancer
Researchers are investigating ways to turn fat cells into Trojan horses to fight brain cancer.
21:35
Improving Healthcare, One Search at a Time
By combing through 100 million search queries, researchers detected a previously unknown interaction between two commonly prescribed drugs.
5:31
Physicists Tie Water Into Knots
If you thought a smoke ring was fancy, check out these fluid knots.
12:23
Curiosity Hits Paydirt: New Clues to Life on Mars
Microbes may once have thrived in a freshwater lake on Mars, according to clues in an ancient rock.
17:38
‘Bones’ Inspires a New Generation of Crime Fighters
Forensic anthropologist Kathy Reichs chats about “Code,” her new crime novel for young adults.
17:19
And the Award for Best Picture Goes To…
See who took first place in SciFri’s Winter Nature Photo Contest.
Tying Water in a Knot
These fluid knots are like smoke rings–but made of water and shaped like a pretzel instead of a donut.
Pi Day Mashup
It’s Pi Day (and Einstein’s birthday). Celebrate with this mix of tributes to the telltale Greek letter that symbolizes that endless number.