February 7, 2025
Some research shows that e-cigarettes can be a useful tool for quitting cigarettes, but that strategy is hotly contested by scientists. Plus, an investigative journalist outlines how fraud and misconduct have stalled the search for effective Alzheimer’s treatments in a new book. And, why snow has that crisp, clean smell.
8:16
For Science Supporters, an Earth Day March on Washington
“March for Science” organizers want to boost appreciation for research they see as under threat.
16:45
Human-Animal Hybrids Find Their Place in Medicine
New advances in stem cell research will one day make it possible to grow human transplant organs in animal hosts.
Reverse Engineering Europa
By conducting experiments in ultra-chilled vacuum chambers, astrobiologist Kevin Hand hopes to inform how future NASA missions search for life on icy moons.
To Get to Europa, Think Like MacGyver
A look at the idea lab where scientists are preparing for a fly-by mission to one of Jupiter’s icy moons.
Tailgate Science
Hosting a game-day party? Have a ball with these tips on beer-brewing, barbecuing, and more.
Build An Ultra High-Speed Toy Out Of Paper
Make a paper toy that spins thousands of times per minute, and then measure, and try to modify, its speed.
7:41
Federal Science Freedom, Cancer Death Rates, Snake Trackers
With federal scientific agencies facing restrictions on what they say and when, some scientists are planning to march on Washington.
4:28
Is Your Smartphone Weighing Down Your Workout?
Talking and texting on your phone while walking on a treadmill can reduce your balance by 19 to 45 percent.
6:20
Girls Lose Sight of Own ‘Brilliance’ at Young Age
Internalized stereotypes that can guide career choice manifest as young as age 6.
11:33
Building an Immunity to Fake News
Researchers discover a psychological “vaccine” against misinformation.
17:24
There’s an Algorithm to Fight Online Extremism
Silicon Valley has a way to curb terrorist messaging online. They just won’t use it.
17:10
Scientific Simplicity by Design
The Paperfuge is a hand-powered paper centrifuge that costs less than one dollar to produce.
27:21
How States Can Step Up for Science
In this segment, California governor Jerry Brown talks about how states can take the lead on issues like climate change and clean energy—with or without Washington, D.C.
Why The Multiverse Isn’t Just Madness
The multiverse—the idea that infinite universes stretch beyond our own—has gained traction among physicists. But others think it’s just a multi-mess.
The State of Science: What Might Happen Under the Trump Administration
“There’s more uncertainty than knowledge about what’s going to happen with the new administration,” said a former congressman.
11:51
Soft Robots Mimic Muscle to Expand the Body’s Limits
Squishy, flexible robots can augment and enhance the built-in strength of muscles, helping broken hearts to pump again, or by giving new function and support to our arms and hands.
25:38
The Gesture That Changed Human History
In his new book, physicist Carlo Rovelli takes a journey through modern physics, from Galileo to quantum gravity.
8:11
Where Do Baby Seahorses Come From?
Seahorses are one of the few vertebrates where males become pregnant and give birth to offspring.
46:58
Special Coverage: How Will Scientific Research Fare Under President Donald Trump?
From cabinet nominees to Congressional wishlists, a look at what could realistically change for scientists in the coming years.
Facts About Asteroids That Rock
Which asteroid is made of metal, and which hides an ocean? The answers lie in our nifty asteroid trading cards.