Emotion seemed to fuel plenty of sighs by Humphrey Bogart's character Rick (right) in the 1942 film classic Casablanca, and even Rick's good friend Sam, played by actor Dooley Wilson, couldn't console him. Archive Photos/Getty Images hide caption

toggle caption Archive Photos/Getty Images

When so-called senescent cells were removed from mice, they were healthier and lived longer than mice that still had the cells. Philippe Merle/AFP/Getty Images hide caption

toggle caption Philippe Merle/AFP/Getty Images

The stomach of Oetzi, who was mummified in ice, was home to bacteria that scientists were able to identify. The same species lives in the gut of many modern humans. EURAC/Marion Lafogler hide caption

toggle caption EURAC/Marion Lafogler

Shots - Health News

Stomach Of Ancient Iceman Held Microbes Like Ours

Scientists analyzed the tummy of a 5,300-year-old ice mummy and found bacteria that many modern humans still carry.

Listen Loading… 3:17
  • Playlist
  • Download
  • Embed
    <iframe src="http://www.npr.org/player/embed/462286732/462351869" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

The Middle East respiratory syndrome coronavirus, which causes MERS, is one of the microbes that has sparked research controversy. NIAID/CDC hide caption

toggle caption NIAID/CDC

Editing DNA has never been easier. Pasieka/Science Photo Library/Corbis hide caption

toggle caption Pasieka/Science Photo Library/Corbis

While serving in Congress, Jay Dickey sponsored legislation that effectively restricts spending for research on firearms deaths. Spencer Tirey/AP hide caption

toggle caption Spencer Tirey/AP
Chris Nickels for NPR

An image from the Allen Institute's Brain Explorer shows gene expression across the human brain. Courtesy of Allen Institute For Brain Science hide caption

toggle caption Courtesy of Allen Institute For Brain Science

Human stem cells, in this case made from adult skin cells, can give rise to any sort of human cell. Some scientists would like to insert such cells into nonhuman, animal embryos, in hopes of one day growing human organs for transplantation. Science Source hide caption

toggle caption Science Source

The Svalbard Global Seed Vault was opened on Feb. 26, 2008. Carved into the Arctic permafrost and filled with samples of the world's most important seeds, it's a Noah's Ark of food crops to be used in the event of a global catastrophe. AFP/Getty Images hide caption

toggle caption AFP/Getty Images

NPR thanks our sponsors

Become an NPR sponsor