February 21, 2025
The CEO of one of America’s oldest scientific societies discusses the recent cuts to scientific institutions, and how scientists can respond. Plus, flu infections are the highest they’ve been in nearly 30 years, and flu deaths this winter have surpassed COVID deaths. And, a video of a gloriously creepy anglerfish inspired tears and poetry online.
The Ghostly Domed Land Snail
This tiny snail lives in one of the world’s deepest cave systems.
Space Vs. Food: Whose Side Are You On?
We’re pitting two of our favorite topics against each other. Are you #TeamSpace or #TeamFood?
11:52
Ben Franklin: Sonic Explorer
Ben Franklin’s sonic experiments included inventing a new musical instrument and testing the limits of the human voice.
17:43
Do Your Patriotic Duty: Learn Math
Mathematician Edward Frenkel says a well-educated public is essential to democracy—and that includes being knowledgeable about math.
15:47
Meet the Mohawk Behind NASA’s Curiosity Mission
NASA’s “Mohawk Man,” Bobak Ferdowsi, talks public and private space exploration, plans for Europa, and whether or not we’ll be putting a human on Mars.
12:08
Celebrating Nature’s Summer Light Show, Fireflies
The flashing of lightning bugs is a favorite part of a lazy summer evening, but there’s a lot of hidden nighttime drama.
17:28
How New Rules and Smart Tech Are Reinventing the Grid
After Superstorm Sandy, there was a lot of talk of a more distributed smart grid—a more resilient system. But how far have we come?
15:58
A Web of Doubt
Author Charles Seife spots the falsehoods and fakes that make their way onto the information super highway.
A Glowing Volcano
This Indonesian volcano burns blue at night, but that’s not lava you’re seeing.
Sock Puppets on Steroids: The Internet’s Fake Personalities
An excerpt from “Virtual Unreality: Just Because The Internet Told You, How Do You Know It’s True?”
In a Flash: Firefly Communication
Fireflies communicate with a “language of light” that scientists still don’t completely understand.
How Fireworks Get Their Colors
In this activity from Science Buddies, you will burn some metal salts to investigate what colors they make, then you’ll explain to your family and friends how fireworks colors are made!
Physics Secrets for Hula Hooping
In this activity from Science Buddies, kids will create their own hula hoops and investigate how the hoops’ masses affect how they spin. Which do you think will spin better, a heavy hoop or a lighter one?
12:03
Shedding Light on the Science of Sunscreen
How does sunscreen protect our skin from harmful radiation, and what is the meaning behind SPFs?
20:39
Food Failures: Avoiding Grilling and Barbecue Pitfalls
Marinade myths, charcoal chemistry, and the elusive “smoke ring”—the science behind barbecue and grilling.
13:24
Getting A Grasp On The Clever Cephalopod
The nautilus, the “living fossil” of cephalopods, can uncover the origins of the complex brain of modern cephalopods.
12:21
3-D Mammography Detects More Cancers, But Will It Save Lives?
A new study suggests that 3-D mammography detects more cancers than traditional digital mammography. But the technology is expensive, and there’s no indication yet that it catches more dangerous cancers, or is saving more lives.
31:02
Making Art From the DNA You Leave Behind
Artist Heather Dewey-Hagborg calls attention to genetic surveillance with artworks made from strangers’ DNA.
3:05
Arnold Relman, Health System Critic, Dead at 91
Relman called the American health care system a “new medical-industrial complex.” We remember him here with two archival clips.
Behaviors of the Venomous, Blue-Lined Octopus
This venomous octopus packs a punch, but it’s more likely to hide than launch a poisonous attack.