Faith Kipyegon of Team Kenya celebrates winning the Gold medal and setting a new Olympic record in the Women's 1500m Final in August, 2024 in Paris. Michael Steele/Getty Images Europe hide caption
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California Flats is a 2900 acre plot of land in central California that's covered in solar panels. The extra energy generated from all that solar flows straight into batteries right on site. Hearst Corporation, California Flats Solar-plus-Storage Project hide caption
To ease the energy crisis, we're going to need better batteries
Katy Perry performs during the Super Bowl halftime show at University of Phoenix Stadium on Feb. 1, 2015, in Glendale, Ariz. Now she'll be in space but for real this time. Elsa/Getty Images hide caption
Myra Solano Garcia in Upland, California, 2024. Garcia has been living with Alzheimer's disease and is taking one of the two approved drugs on the market to try to slow its symptoms. Zaydee Sanchez for NPR / @zaydee.s hide caption
This chart of the night sky from NASA shows Mars, Jupiter, Saturn, and Venus in a "planet parade" in January 2025. NASA/JPL-Caltech/NASA.gov hide caption
A close-up view of the wooly devil, a new species and genus identified in Big Bend National Park in Texas. D. Manley/National Park Service hide caption
This artist's concept depicts NASA's Lunar Trailblazer in lunar orbit about 60 miles from the surface of the moon. The spacecraft weighs 440 lbs and is 11.5 feet wide when its solar panels are fully deployed. NASA JPL / Lockheed Martin Space hide caption
Ken and Susan Bell, September, 2024 in St. Charles, Mo. Michael B. Thomas/NPR/@miketphotog hide caption
One woman's experience with the Alzheimer's drug Leqembi
At the center of this image made by NASA's Chandra X-ray Observatory is a very young and powerful pulsar, known as PSR B1509-58, or B1509 for short. NASA/CXC/SAO/P.Slane, et al. hide caption
This image made available by University of Hawaii's asteroid impact alert system shows the motion of asteroid 2024 YR4 over about one hour, Dec. 27, 2024. AP/ATLAS / University of Hawaii / NASA hide caption
Biochemists Herbert Boyer (UCSF) and Paul Berg (Stanford) at a conference at Asilomar, February 26, 1975. San Francisco Chronicle/Hearst N/Hearst Newspapers via Getty Images/Hearst Newspapers hide caption
An aerial view shows the long-depleted Colorado River (L) as it flows between California (R) and Arizona, and an irrigation ditch (R) carrying river water toward Quechan tribal land on May 26, 2023 near Winterhaven, Calif. Mario Tama/Getty Images/Getty Images North America hide caption
President Trump freezing funds for Colorado River conservation efforts
This scientist is on a quest ... to salvage whale brains
Anesthesia can be administered through a mask while patients undergo surgery. czardases/Getty Images hide caption
What happens to your body when you're under anesthesia?
Mice may exhibit revival-like behaviors to help unconscious cage mates. Georgejason/Getty Images/iStockphoto hide caption
Lab mice will try to revive their knocked-out friends, study reveals
One of the ways the body signals fullness after a meal involves satiety neurons located in the hypothalamus. Sugar seems to hijack that system. Horasiu Vasilescu / 500px/Getty Images hide caption
Room for dessert? Here's why your brain says yes to sugar
This artist's concept shows Sagittarius A*, a supermassive black hole at the center of the Milky Way galaxy, surrounded by a swirling accretion disk of hot gas. Flaring hot spots that resemble solar flares are seen in the disk.
NASA, ESA, CSA, Ralf Crawford (STScI)/NASA.gov
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Screenshots from Mallory DeMille's Instagram, where she takes on the wellness industry as @this.is.mallory. @this.is.mallory/Screenshots by NPR. hide caption
Facing extinction in the wild, Hawaiian crows were brought into captivity to save them. Now, a small group is being released. DLNR hide caption
This rare, intelligent species of crow is taking flight in Hawaii again
Hurricane during a PDSA's Order of Merit ceremony in London. He was awarded for protecting White House grounds and also being a good boy. Peter Summers/Getty Images/Getty Images Europe hide caption
The U.S. Department of Agriculture says it is taking steps to optimize its workforce and reduce its spending — but is now trying to rescind the firing of some employees. J. David Ake/Getty Images hide caption
NASA's Space Launch System (SLS) rocket, with the Orion spacecraft aboard the mobile launcher as it rolls out of the Vehicle Assembly Building to Launch Pad 39B, on Nov. 3, 2022, at Kennedy Space Center at Cape Canaveral, Fla., in preparation for a launch. Joel Kowsky/NASA hide caption
This harlequin frog (Atelopus seminiferus) was found in the Alto Mayo landscape at higher elevations than previously recorded. It is considered endangered by the IUCN Red List. Trond Larsen hide caption
New in Peru: 27 species previously undiscovered by science
In this photo provided by the Department of Natural Resources and Environment Tasmania, a woman inspects a whale after more than 150 false killer whales have become stranded on Feb. 19, 2025, on a remote beach near Arthur River in Australia's island state of Tasmania. Department of Natural Resources and Environment Tasmania/AP hide caption