A patient's ring was stuck, his finger dangerously swollen. Doctors tried everything to remove the ring — and finally hit upon a solution they hope will help other people.
The yeast produce only tiny amounts of the drug. But eventually, the technology could lead to better painkillers and other medicines. Drug officials worry the microbes could fall into the wrong hands.
NPR's Robert Siegel interviews Zen Faulkes of the University of Texas Rio Grande Valley about the term, which describes the trend of adding more names as contributors to science journal articles.
A listener responded to our invitation to send recordings of backyard wildlife with audio of a spooky bird screech. An expert at the Cornell Lab of Ornithology helped solve the mystery.
The spill on Wednesday sent heavy metals, arsenic and other contaminants into a waterway that flows into the San Juan National Forest. Estimates of the spill's size have risen sharply since then.
The stethoscope seems so simple — a 19th century tool for listening more closely to the human heart or lungs. It also sparked a culture of listening that is transforming the way scientists learn.
Ten years after the storm some residents have found healing — in the arts, family and new opportunities. Others suffer lingering grief and other difficulties they trace to Katrina.
For decades, we have known of only 14 convex pentagons that can do something called "tiling the plane." Now there is a 15th shape, but mathematicians are still far from knowing exactly how many exist.