Science The latest health and science news. Updates on medicine, healthy living, nutrition, drugs, diet, and advances in science and technology. Subscribe to the Health & Science podcast.

Science

Authorities intercepted a woman using this drug kit in preparation for shooting up a mix of heroin and fentanyl inside a Walmart bathroom last month in Manchester, N.H. Fentanyl offers a particularly potent high but also can shut down breathing in under a minute. Salwan Georges/Washington Post/Getty Images hide caption

toggle caption
Salwan Georges/Washington Post/Getty Images

Fentanyl-Linked Deaths: The U.S. Opioid Epidemic's Third Wave Begins

  • Download
  • <iframe src="https://www.npr.org/player/embed/704557684/705395210" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Statisticians say it may not be wise to put all your eggs in the significance basket. intraprese/Getty Images hide caption

toggle caption
intraprese/Getty Images

Statisticians' Call To Arms: Reject Significance And Embrace Uncertainty!

  • Download
  • <iframe src="https://www.npr.org/player/embed/705191851/706295436" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Dr. Hillary Tamar, who's in the second year of her family medicine residency in Phoenix, is part of a new generation of doctors who are committed to treating addiction. Jackie Hai/KJZZ hide caption

toggle caption
Jackie Hai/KJZZ

Aspiring Doctors Seek Advanced Training In Addiction Medicine

  • Download
  • <iframe src="https://www.npr.org/player/embed/695690652/704893617" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A chimpanzee hugs her newborn at Burgers' Zoo in Arnhem, Netherlands, in 2010. Over the course of his long career, primatologist Frans de Waal has become convinced that primates and other animals express emotions similar to human emotions. AFP/Getty Images hide caption

toggle caption
AFP/Getty Images

Sex, Empathy, Jealousy: How Emotions And Behavior Of Other Primates Mirror Our Own

  • Download
  • <iframe src="https://www.npr.org/player/embed/704763681/704844847" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Marcelo Gleiser, 60, won the 2019 Templeton Prize for his work seeking the common ground between science and spirituality. Eli Burakian/Dartmouth College hide caption

toggle caption
Eli Burakian/Dartmouth College

The Laser Interferometer Gravitational-Wave Observatory is made up of two detectors, this one in Livingston, La., and one near Hanford, Wash. The detectors use giant arms in the shape of an "L" to measure tiny ripples in the fabric of the universe. Caltech/MIT/LIGO Lab hide caption

toggle caption
Caltech/MIT/LIGO Lab

Massive U.S. Machines That Hunt For Ripples In Space-Time Just Got An Upgrade

  • Download
  • <iframe src="https://www.npr.org/player/embed/701498785/704700606" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

For people with a rare condition known as misophonia, certain sounds like slurping, chewing, tapping and clicking can elicit intense feelings of rage or panic. Photo illustration by Meredith Rizzo/NPR hide caption

toggle caption
Photo illustration by Meredith Rizzo/NPR

Misophonia: When Life's Noises Drive You Mad

  • Download
  • <iframe src="https://www.npr.org/player/embed/702784044/704373902" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Marijuana plants grow in a marijuana cultivation facility on July 6, 2017 in Las Vegas, Nevada. Ethan Miller/Getty Images hide caption

toggle caption
Ethan Miller/Getty Images

Cannabis 101 At The University Of Connecticut

  • Download
  • <iframe src="https://www.npr.org/player/embed/697492255/701939274" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Eddie Woo on the TED stage. Vincenzo Amato/TEDxSyd hide caption

toggle caption
Vincenzo Amato/TEDxSyd

Eddie Woo: How Can Math Help Us Understand The Complexity Of The Universe?

  • Download
  • <iframe src="https://www.npr.org/player/embed/702519127/703727302" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Adam Spencer on the TED stage. James Duncan Davidson/TED hide caption

toggle caption
James Duncan Davidson/TED

Adam Spencer: Why Are Monster Prime Numbers Important?

  • Download
  • <iframe src="https://www.npr.org/player/embed/702523873/703733423" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Envy is a useful tool for social comparison. But sometimes, it can lead us to wicked places. Steve Scott/Getty Images/Ikon Images hide caption

toggle caption
Steve Scott/Getty Images/Ikon Images

Counting Other People's Blessings

  • Download
  • <iframe src="https://www.npr.org/player/embed/703445509/703471907" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

A biomechanical model of producing an "f" sound with an overbite (left) compared with an edge-to-edge bite (right). Some linguists are arguing that the advent of softer food thousands of years ago led to changes in biting patterns and, eventually, to more frequent use of sounds like "f" and "v" in human languages. Scott Moisik hide caption

toggle caption
Scott Moisik

There was an uproar in 2018 when a scientist in China, He Jiankui, announced that he had successfully used CRISPR to edit the genes of twin girls when they were embryos. Prominent scientists hope to stop further attempts at germline editing, at least for now. Mark Schiefelbein/AP hide caption

toggle caption
Mark Schiefelbein/AP

Scientists Call For Global Moratorium On Creating Gene-Edited Babies

  • Download
  • <iframe src="https://www.npr.org/player/embed/701549223/703162473" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A satellite image from Wednesday morning shows a powerful storm system heading east across the U.S. The storm is expected to bring high winds, snow and rain to much of the central U.S. in the coming days. GOES-East/NOAA hide caption

toggle caption
GOES-East/NOAA