June 27, 2025
In his new book, a former FDA commissioner unpacks the latest science on metabolism, weight loss, and how GLP-1 drugs actually work. Plus, the first images from the brand new Vera C. Rubin Observatory have finally been unveiled. And, researchers have observed a population of orcas that use kelp tools to scratch their backs.
3:51
The Goat Brigade
A herd of ‘elite’ brush-clearing goats demonstrate why they are a versatile tool to shield against wildfires in Southern California.
22:04
Documenting the Oldest Living Things in the World
In her new book of photography, “The Oldest Living Things in the World,” artist Rachel Sussman documents the oldest continuously living organisms on the planet.
22:51
Making Summer Travel Plans With Climate Change in Mind
With projections of warmer temperatures and rising sea levels, which tourist destinations should you plan to visit sooner rather than later?
The Goat Brigade: Preventing Wildfires in Southern California
A herd of “elite” brush-clearing goats demonstrate why they are a versatile tool to shield against wildfires in Southern California.
Chocolate Crystal Concoctions
Act like an experimental chocolatier and determine how different melting and cooling procedures impact the shine, hardness, and texture of finished chocolate.
The Eye Of The Sahara
The Richat Structure can be seen from space and might be 100 million-years-old.
12:01
How Touch Helps Us Emotionally Experience the World
Researchers describe a type of nerve that helps us understand social interactions and emotion.
8:27
Laser Blast Can Regrow Teeth, in Rats
Zapping dental stem cells with lasers appears to switch on production of new dentin, the hard stuff under tooth enamel.
16:13
Why Do Some Songs Stick in Our Heads?
“Earworms” are song fragments that get stuck in our mind.
8:45
The Lineup of Cancer Threats Is Changing
A recent study projects that by 2030, pancreatic cancer will become the second most deadly type of cancer in the U.S. after lung cancer.
11:53
A Decade After the Genome, Scientists Map the ‘Proteome’
Nearly all the body’s cells contain identical DNA. So why does a neuron grow up so differently than a liver cell? Proteins, says Akhilesh Pandey, a professor at the Johns Hopkins University.
11:00
How Can Airline Tracking Improve?
How can a commercial airliner go missing, and what can we do to improve tracking technology?
22:55
What’s ‘I,’ and Why?
In “Me, Myself, and Why,” science writer Jennifer Ouellette probes the science of self.
Why Do Songs Get Stuck in Our Heads?
Why some tunes lodge in our brains isn’t so clear. Here are a few theories.
Blog: These Student Filmmakers Have Science Stories to Tell
Student video competitions engage the minds of future science communicators.
11:50
Is It Possible to Make Matter From Light?
Scientists mapped out the plan for a potential “photon-photon collider” that could convert light into matter.
17:21
The Debate Over Net Neutrality
What does the Federal Communications Commission’s net neutrality plan mean for consumers?
17:01
Why Science and the Humanities Are Better Together
Biographer Walter Isaacson explains why the future belongs to those who can merge the arts and the sciences.