February 28, 2025
A federal DEI ban is already prompting changes across science agencies. How will it affect medical research? A journalist traveled to five continents to learn about the afterlife of our trash, and why most “recyclable” plastic actually isn’t. And, the ocean liner SS United States will become an artificial reef in Florida. How do artificial reefs work?
12:18
Climate Wars Heat Up In Washington
Republican lawmakers are warming up to talking about climate change, but the Trump administration is striking back.
17:10
Former NFL Player Tackles Football And Math
At 26, John Urschel left the NFL to pursue a Ph.D. in mathematics.
16:15
Revisiting A Once-Great Scientific Idea
Mainstream physicists once believed light was simply a disturbance of the “luminiferous ether”—before the idea fell from grace.
27:51
Spoiler Alert! When Does Food Actually Go Bad?
Puzzled by sell-by dates, freezer burn, and just how long you can eat your food? Don’t be a food failure—you’re not alone.
Remembering The Eclipse That Forever Changed Physics
A century ago, an eclipse proved Einstein right—and altered our understanding of the universe.
7:35
Under The Sea: Future Factories And A New Volcano
It was a big news week under the sea.
4:08
Hoping For A Sunny Future, The Navajo Tribe Turns To Solar
As the last coal-fired power plant plans to shut down at the end of the year, the Navajo Tribe is embracing renewables.
16:57
Battling An Ebola Outbreak In A War Zone
In the Democratic Republic of Congo, distrust of the government and healthcare workers are hampering efforts to contain the current outbreak.
16:10
In New Climate Change Play, The Story’s The Thing
A playwright explores what kinds of narratives we need to stir action on climate.
45:34
Beekeeping Tips—From Bees!
How wild honey bees can teach us better ways to cultivate them. Plus, could probiotics help beef up bees’ immune systems?
Househunting For Honey Bees
How do bees figure out where to put their next hive? As we learn in this excerpt from “The Lives of Bees” by Thomas D. Seeley, it requires a bit of househunting.
The Unisexuals: A Story of Salamanders and Sex
What does a world look like without males or sexual reproduction?
11:29
Coal Remains Popular Worldwide, But Is In Decline
A new report says that for the first time, we’ve closed more new coal plants than the world has opened.
12:15
New Horizons Spots A Spinning ‘Snowman’ Out In Space
MU69 is one of the reddest objects we’ve explored in the solar system, built from two skipping-stone-shaped bodies, each the size of small cities.
17:29
World-Class Student Scientists Take On Big Problems
A virtual spine surgery tool and a new source of agricultural nutrients are two finalists in this year’s Intel International Science and Engineering Fair.
17:12
I Scream. You Scream. Why Do We All Scream?
A scream sounds distinctive, but scientists are working to measure the acoustic properties of this type of nonverbal communication.
33:58
Embracing The Salt And Adapting To Sea Level Rise
Saltwater intrusion and sea level rise is the new normal for two communities along the east coast.
The Seeds Of Ghost Forests
As sea levels rise and drainage systems become defunct, dead forests are spreading across the coasts of North Carolina.
7:08
International Shake-Up Over Warming Arctic
U.S. Secretary of State Mike Pompeo rattles a climate change conversation with the Arctic Council—meanwhile, an early spring is snarling life in Alaska.
4:35
A ‘Shared Ride’ May Be A Public Burden
A new study found that the presence of services like Uber and Lyft increased road congestion in San Francisco.