This illustration made available by the National Institute on Aging/National Institutes of Health depicts cells in an Alzheimer's-affected brain. An experimental drug modestly slowed the brain disease's progression, researchers reported Tuesday. NATIONAL INSTITUTE ON AGING, NIH/AP hide caption
A general View of Bellevue Hospital in October, 2014. Kena Betancur / Getty Images hide caption
Kevin Davenport, an aquarist and coral biologist, feeds krill to growing corals in a warehouse for growing and rehabilitating coral populations in Orlando, Fla., on Sept. 13. Zack Wittman for NPR hide caption
NIH Director Francis Collins and Renée Fleming, who is Artistic Advisor at Large for the Kennedy Center in Washington, D.C., sing a duet. Shelby Knowles/NPR hide caption
In this aerial photo released Monday by the U.S. Geological Survey, the Mauna Loa volcano is seen erupting from vents on the Northeast Rift Zone on the Big Island of Hawaii. U.S. Geological Survey via AP hide caption
Monkeypox is getting a new name: mpox. Here, monkeypox virus particles (orange) are seen within an infected cell (green), after being cultured in a laboratory. The image was produced by a colorized transmission electron micrograph. NIH-NIAID/IMAGE POINT FR/BSIP/Universal Images Group via Getty Images hide caption
A flower crafted by Nell Greenfieldboyce, at an American Society for Microbiology event highlighting agar art. Aidan Rogers/Edvotek hide caption
Chickens are pictured at Southern California Sanctuary on Oct. 5 in Acton, Calif. In Nebraska, another 1.8 million are being killed over bird flu concerns. Mario Tama/Getty Images hide caption
Workers wait to get off an elevator at a coal mine in eastern Ukraine. Russia's invasion of Ukraine disrupted global supplies of fossil fuels and led to more reliance on coal for electricity in some countries. Claire Harbage/NPR hide caption
Enjot, 45, who lost his house and some of his relatives, walks on Tuesday past the rubble of a building collapsed in Monday's earthquake in Cianjur, West Java, Indonesia. Tatan Syuflana/AP hide caption
This illustration shows how the gas giant planet WASP-39 b might look as it orbits its host star. NASA, ESA, CSA, Joseph Olmsted (STScI) hide caption
Cultivated Meat is an alternative to traditional meat derived from cells in a lab. In this photo, a chicken breast is prepared at Upside Foods. Brian L. Frank for NPR/Brian L. Frank for NPR hide caption
