The CRISPR enzyme (green and red) binds to a stretch of double-stranded DNA (purple and red), preparing to snip out the faulty part. Illustration courtesy of Jennifer Doudna/UC Berkeley hide caption

toggle caption Illustration courtesy of Jennifer Doudna/UC Berkeley

A CRISPR Way To Fix Faulty Genes

  • Download
  • <iframe src="https://www.npr.org/player/embed/325213397/325909329" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

How To Sell Green Products To The Self-Regarding Consumer

  • Download
  • <iframe src="https://www.npr.org/player/embed/325760323/325760324" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

The Cassini spacecraft has been taking radar images of Titan for years now. This modified image of the Ligeia Mare, a sea on Titan's north pole, is a composite of some of those. NASA/JPL-Caltech/ASI/Cornell hide caption

toggle caption NASA/JPL-Caltech/ASI/Cornell

Scientists Observe Springtime Changes On One Of Saturn's Moons

  • Download
  • <iframe src="https://www.npr.org/player/embed/324032496/324738296" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

One of 30 copies of the first protoype meter made by the International Bureau of Weights and Measures (BIPM) in Sevres, France. 1875-1889 NIST Museum Collection hide caption

toggle caption NIST Museum Collection

How Did The Meter Get Its Length?

  • Download
  • <iframe src="https://www.npr.org/player/embed/324738251/324863712" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

6 Decades Of Research Examines Prisoners Of War

  • Download
  • <iframe src="https://www.npr.org/player/embed/323844542/323844543" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A high-resolution image of the molecular carrier that moves the botulinum toxin from the intestine into the bloodstream. The carrier (silver) creates gaps in the gut lining by grabbing the rope-like molecules (red ribbons) that tether one intestinal cell to the next. Rongsheng Jin, UC Irvine, and Min Dong, Harvard Medical School hide caption

toggle caption Rongsheng Jin, UC Irvine, and Min Dong, Harvard Medical School

By comparing "Skull 17" from the Sima de los Huesos site with many others found in the same cave, researchers were able to discern the common facial features of the era. Javier Trueba /Madrid Scientific Films hide caption

toggle caption Javier Trueba /Madrid Scientific Films

How To Become A Neanderthal: Chew Before Thinking

  • Download
  • <iframe src="https://www.npr.org/player/embed/322921368/323696118" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

"Dance for PD" classes use music to temporarily ease tremors and get Parkinson's patients moving. Maggie Starbard/NPR hide caption

toggle caption Maggie Starbard/NPR

Your Brain's Got Rhythm, And Syncs When You Think

  • Download
  • <iframe src="https://www.npr.org/player/embed/322915700/323032837" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Andreas Fhager, a biomedical engineer at the Chalmers University of Technology in Sweden, adjusts the Strokefinder device on a test subject's head. Gunilla Brocker hide caption

toggle caption Gunilla Brocker

Stark Report: Left-Right Divide Is At Its Worst In Recent Memory

  • Download
  • <iframe src="https://www.npr.org/player/embed/321392810/321392811" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Being a bit coldblooded has its charms, scientists say. A mammal the size of a T. rex, for example, would have to eat constantly to feed its supercharged metabolism — and would probably starve. Publiphoto/Science Source hide caption

toggle caption Publiphoto/Science Source

Maybe Dinosaurs Were A Coldblooded, Warmblooded Mix

  • Download
  • <iframe src="https://www.npr.org/player/embed/320803925/321392904" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript