Explore Episode Segments
How Touch Helps Us Emotionally Experience the World
Researchers describe a type of nerve that helps us understand social interactions and emotion.
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.
Why Do Some Songs Stick in Our Heads?
“Earworms” are song fragments that get stuck in our mind.
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.
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.
How Can Airline Tracking Improve?
How can a commercial airliner go missing, and what can we do to improve tracking technology?
What’s ‘I,’ and Why?
In “Me, Myself, and Why,” science writer Jennifer Ouellette probes the science of self.