Autism: debunking Trump claims, and what scie...

PFAS make pans nonstick, clothes waterproof and furniture stain resistant. They're so ubiquitous, they're even inside of us. Now, researchers are looking for more insights in firefighters' blood.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Pol ...  Show more

On Jan. 28, 1986, NASA’s 25th space shuttle mission, Challenger, left the launchpad in Cape Canaveral, Florida. Seventy-three seconds into flight, Challenger exploded over the Atlantic Ocean as millions of people watched. All seven people on board died. Now, forty years later, jo ...  Show more

Recently, a group of world-leading scientists called for a halt on research to create ‘mirror life’ microbes amid concerns that the synthetic organisms would present an ‘unprecedented risk’ to life on Earth. Ian Sample tells Madeleine Finlay about why this work initially seemed e ...  Show more

Guest: Dr. Filipe Pereira is an Associate Professor at the Lund Stem Cell Center at Lund University. The Pereira lab studies how hematopoietic cell fate is specified, maintained, and eventually modified or reversed. Inspired by the fields of stem cell biology, immunology, and can ...  Show more

You’re probably familiar with the concept of handedness—a glove made for your left hand looks basically like the one for your right hand, but won’t fit—it’s a mirror image. Many of life’s important molecules, including proteins and DNA, are chiral, meaning they can exist in ei ...

Mitochondria are known as the powerhouse of the cell—but new research suggests they might be far more complex. Columbia University’s Martin Picard joins Scientific American’s Rachel Feltman to explore how these tiny organelles could be communicating and what that might mean for e ...  Show more