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.
12:16
A New Organ That Could Explain The Mysteries Of The Human Body
Scientists have discovered “the interstitium,” a previously unidentified network of fluid-filled tissue.
17:20
Can We Predict Urban Gun Homicides?
Thousands of people of color die every year from gun homicides in cities. Can social science predict and prevent their deaths?
16:43
Little Bats, Impressive Resumes
Fancy flying, fast thinking, and sophisticated sonar: Why bats seem to have it all.
25:55
Beyond The Hive: The Wonderful World Of Native Bees
There are 4,000 types of native bees in North America, including species that secrete silk and others that build tiny towers.
Bats Take Flight
Thanks to high-speed video, we now know that bats fly very differently compared to birds.
Get Your Future Issue Of ‘Your Martian Daily’
Tips from a NASA astronaut for what to eat, how to dress, and how to manage your modern life on Mars.
Celebrate Spring At The Orchid Social
On April 9 in New York City, join Ira Flatow for a Science Friday garden party.
7:24
A Rhino’s Last Chance, Carbon Emission Carnivores, And Water On Exoplanets
The last male northern white rhino is dead. But he may still be able to help his species survive.
4:29
In Alaskan Cities, Climate Risks Could Become Credit Risks
In the state’s coastal fishing communities, climate change is becoming a threat to the economy.
17:13
How Do You Prevent Russia From Hacking Into The U.S. Power Grid?
Russian cyber groups have proven they can hack their way into U.S. power stations. Is there any way to make the grid safe?
16:47
After You Die, Your “Necrobiome” Lives On
A team of bacteria, insects, and other organisms take over bodies after death. But what can they tell scientists about how someone lived and died?
11:47
A Dung Detective Hunts For Rare Microbes
Most zoo visitors go to see the animals. Michelle O’Malley visits for their poop.
7:10
Coughs On A Plane
Researchers map out how the behavior of airplane passengers affects the chances of in-flight disease transmission.
9:14
After Finding Thousands Of Exoplanets, Kepler Rides Into The Sunset
The Kepler and K2 missions have found over 2,500 planets around distant stars, but the end is coming.
17:28
Shaping The Future Of Gun Research
As federal resources for firearm injury research lag, states like California are trying to do it themselves.
11:48
Remembering Stephen Hawking
Plus, rogue satellites, graphene hair dye, and hungry ravens.
4:51
To Flap, Perchance To Fly
Inside the fossilized bones of Archaeopteryx, one of the earliest bird-like dinosaur specimens, researchers have found evidence of a capability for flight.
12:01
Bringing (Accurate) Dinosaurs Back To Life
Meet Gabriel Ugueto, a paleoartist who relies on scientific papers and fossils to get closer to what dinosaurs actually looked like.
11:40
Complex Human Behaviors May Have Evolved In Our Earliest Ancestors
Our earliest human ancestors had trading networks and advanced technology—tens of thousands of years earlier than previously thought.