An empty room is pictured in a concrete house in Matam, Senegal. Many families don't have electricity nor the means to own a fan or air conditioning to help quell the intense heat at night, temperatures can stay around 35 degree Celsius throughout the night. John Wessels/AFP via Getty Images hide caption
Wildfire smoke covered huge swaths of the U.S. in 2023, including places like New York City, where it has historically been uncommon. New research shows the health costs of breathing in wildfire smoke can be high. David Dee Delgado/Getty Images hide caption
Selkirkia tsering fossil found in a collection from the Fezouata Formation in Morocco. Javier Ortega Hernández/Harvard Museum of Comparative Zoology hide caption
Author Cristina Henriquez next to the cover of her new novel, The Great Divide. Brian McConkey/Ecco hide caption
The safety rules being announced and finalized today will hold mines to the same standard for silica dust exposure as other employers. These x-rays show black lung disease. Elaine McMillion Sheldon for PBS Frontline hide caption
An artist's rendering shows the T Coronae Borealis star system, which contains a white dwarf and a red giant. Conceptual Image Lab/Goddard Space Flight Center/NASA hide caption
After using the Lenire device for an hour each day for 12 weeks, Victoria Banks says her tinnitus is "barely noticeable." David Petrelli/Victoria Banks hide caption
The author's 8-year-old daughter, Rosy, has a "kids' license," showing she has her parents' permission to ride her bike around her Texas hometown. Michaeleen Doucleff hide caption
Sisters Sofie Elliott (left) and Simone Elliott say that reconciling their memories felt especially important as they waded into one particular period of their childhood — a darker chapter that they still hadn't fully explored but that they felt ready to confront together. Kayana Szymczak for NPR; Lena Mucha for NPR hide caption
Scientists Carly Biedul, Coordinator at The Great Salt Lake Institute, Bonnie Baxter, Director at The Great Salt Lake Institute, and Heidi Hoven, Senior Manager at the Gillmor Sanctuary and Audubon Rockies, showed us around a bird sanctuary where many species of birds and insects the the birds feed on are affected by the recession of The Great Salt Lake. Lindsay D'Addato for NPR hide caption
Joel Breman trains scientists in malaria diagnosis in Côte d'Ivoire, 1986. Breman died this month at age 87. Courtesy of the Breman family. hide caption
Surgeon Christoph Haller and his research team from Toronto's Hospital for Sick Children are working on technology that could someday result in an artificial womb to help extremely premature babies. Chloe Ellingson for NPR hide caption
Following a new EPA rule, public water systems will have five years to address instances where there is too much PFAS in tap water – three years to sample their systems and establish the existing levels of PFAS, and an additional two years to install water treatment technologies if their levels are too high. Justin Sullivan/Getty Images hide caption
With diary cows getting bird flu, researchers are trying to figure out what mutations could make the virus a threat to humans. Charlie Neibergall/AP hide caption
In this photo illustration, a pack of Lunchables is displayed on Wednesday in San Anselmo, Calif. Consumer Reports is asking for the Department of Agriculture to eliminate Lunchables food kits from the National School Lunch Program after finding high levels of lead, sodium and cadmium in tested kits. Justin Sullivan/Getty Images hide caption
While not an official holiday, National Siblings Day on April 10 has gained momentum on social media in recent years. Diana Haronis/Getty Images hide caption
A two-spot octopus, like the type an Oklahoma family brought home as a pet. Angelina Komatovich hide caption
The University of Edinburgh says Nobel prize-winning physicist Peter Higgs, who proposed the existence of the Higgs boson particle, has died at 94. Sean Dempsey/AP hide caption
A new lunar time zone has been pitched for the moon. John Raoux/AP hide caption
