Research News New advances in science, medicine, health, and technology.Stem cell research, drug research, and new treatments for disease.

This is a calculated flood map for the city of St. Louis. Water depth goes from deep (dark blue) to shallow (white, light blue). Floodwater can come from the Illinois, Upper Mississippi and Missouri rivers, as well as from heavy local precipitation. Courtesy of Dag Lohmann/Katrisk hide caption

toggle caption
Courtesy of Dag Lohmann/Katrisk

Flood Maps Can Get Much Sharper With A Little Supercomputing Oomph

  • Download
  • <iframe src="https://www.npr.org/player/embed/418643595/418924596" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A cabbage butterfly caterpillar. For tens of millions of years, these critters have been in an evolutionary arms race with plants they munch on. The end result: "mustard oil bombs" that also explode with flavor when we humans harness them to make condiments. Courtesy of Roger Meissen/Bond LSC hide caption

toggle caption
Courtesy of Roger Meissen/Bond LSC

Bite into that bread before your main meal, and you'll spike your blood sugar and amp up your appetite. Waiting until the end of your dinner to nosh on bread can blunt those effects. iStockphoto hide caption

toggle caption
iStockphoto

Curb Your Appetite: Save Bread For The End Of The Meal

  • Download
  • <iframe src="https://www.npr.org/player/embed/417500957/418641205" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Melissa Malzkuhn, director of the Motion Light Lab at Gallaudet University, suits up in motion capture to record a nursery rhyme for deaf children. Emma Bowman/NPR hide caption

toggle caption
Emma Bowman/NPR

New Research Finds Lonely People Have Superior Social Skills

  • Download
  • <iframe src="https://www.npr.org/player/embed/417840320/417840321" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

One of the 20 GPS sensors deployed on Greenland's Helheim Glacier to track its movement. Alistair Everett/Swansea University hide caption

toggle caption
Alistair Everett/Swansea University

Study Reveals What Happens During A 'Glacial Earthquake'

  • Download
  • <iframe src="https://www.npr.org/player/embed/417457888/417675903" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Eating eggs with your salad helps boost absorption of carotenoids — the pigments in tomatoes and carrots. Photo illustration by Meredith Rizzo/NPR hide caption

toggle caption
Photo illustration by Meredith Rizzo/NPR

An illustration of Pappochelys, based on its 240-million-year-old fossilized remains. This ancestor to today's turtle was about 8 inches long. Rainer Schoch/Nature hide caption

toggle caption
Rainer Schoch/Nature

How The Turtle Got Its Shell

  • Download
  • <iframe src="https://www.npr.org/player/embed/416657576/417192132" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

AquaBounty's salmon (background) has been genetically modified to grow bigger and faster than a conventional Atlantic salmon of the same age (foreground.) Courtesy of AquaBounty Technologies, Inc. hide caption

toggle caption
Courtesy of AquaBounty Technologies, Inc.

Review Raises Troubling Questions About Marijuana's Safety, Effectiveness

  • Download
  • <iframe src="https://www.npr.org/player/embed/417045126/417045127" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Examining Race-Based Admissions Bans On Medical Schools

  • Download
  • <iframe src="https://www.npr.org/player/embed/416736883/416736884" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
Katherine Streeter for NPR

Take A Hike To Do Your Heart And Spirit Good

  • Download
  • <iframe src="https://www.npr.org/player/embed/416482690/416736977" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Pickled Foods May Ease Anxiety, Research Suggests

  • Download
  • <iframe src="https://www.npr.org/player/embed/416390015/416390016" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript