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.
Splat! Model Lunar Impacts Using Water Balloons
In this resource from International Observe the Moon Night, use water balloons to model how the moon’s largest impact basins were created.
Engineering the Perfect Pop
Using scissors, tape, and reams of creativity, Matthew Reinhart engineers paper to bend, fold, and transform into fantastic creatures and locales.
Don’t Be Scared Of These ‘Dead Man’s Fingers’
These protrusions might look spooky, but they’re just the fruiting bodies of a wood decay fungus.
Hydrophobicity: Will The Water Drop Stop Or Roll?
Examine surface textures and conduct a “tilt test” to compare how materials with different surface textures repel or absorb water.
8:00
UN Space Mission, Redefining ‘Healthy,’ and a Wayward Manatee
The United Nations will launch a space mission carrying payloads from countries that don’t have their own space programs.
4:23
Will New Electronic Glasses Change the View of Snapchat?
The social media company rebranded itself as Snap, Inc., and has unveiled sunglasses fitted with two cameras for recording 10-second moments.
16:45
A New Primer on the Way Things Work
Artist David Macaulay on the art of explaining science in pictures.
12:28
For Oysters, Challenges and Hope in the Changing Ocean
Oyster farmers have been hit hard by acidifying seas. Can they adapt?
17:43
California Trees Battle Beetle Assault Amid Drought
Dry conditions lead trees to release pheromones that attract bark beetles, exacerbating an epidemic of dying forests in the state of California.
17:38
Achieving Suspended Animation, With Help From the Water Bear
How one researcher’s curiosity about tardigrades in the 1970s led to a major breakthrough in medical science.
17:37
Imagining the ‘Connected’ Car of the Future
“Connected” cars tap into the vehicles’ sensors to read road signs, determine traffic patterns, and find open parking spaces.
How To Survive The Anthropocene
A new collection of essays curated by environmentalist James Lovelock aims to help people better understand the earth.
7:19
Ancient Migrations, Summer Sea Ice, and Archaeological Algorithms
Homo sapiens worldwide may have descended from a single migration event out of Africa more than 50,000 years ago.
4:36
A Glimpse Before It’s Gone
Why tourists traveling to threatened places may be making the problem worse.
17:04
Myth-Busting Your Fitness Routine
Some health experts tout the benefits of standing desks and walking five miles a day. Science says otherwise.
11:27
The Fog and the Redwood
The redwood trees lining northern California’s coastline depend on fog as a seasonal water source.
17:40
Amphibians Versus Fungus: Saving the Yellow-Legged Frog
What one frog’s fight against the deadly chytrid fungus could mean for the survival of imperiled amphibians around the globe.
17:06
Making the Most of A.I.’s Potential
As artificial intelligence advances, it could transform our world. How do we ensure that it does so in the best possible way?
16:16
Of Fashion, Faith, and Physics
Theoretical physicist Roger Penrose argues against some prominent theories about the universe, calling them fashion, faith, and fantasy.