Selkirkia tsering fossil found in a collection from the Fezouata Formation in Morocco. Javier Ortega Hernández/Harvard Museum of Comparative Zoology hide caption
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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
Got tinnitus? A device that tickles the tongue helps this musician find relief
Here's how the brain experiences pleasure — even the kind that makes us feel guilty
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
Sisters make peace with dark memories through art, science and each other
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
What to know about the new EPA rule limiting 'forever chemicals' in tap water
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
The order your siblings were born in may play a role in identity and sexuality
A two-spot octopus, like the type an Oklahoma family brought home as a pet. Angelina Komatovich hide caption
Terrance the octopus came to live with a family. Then she laid dozens of eggs
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
NASA has been asked to create a time zone for the moon. Here's how it would work
In the womb, a brother's hormones can shape a sister's future
Eclipse glasses are worn by a statue of George Washington on Sunday in Houlton, Maine. Joe Raedle/Getty Images hide caption
A long exposure photo of Firefly petunias, which are genetically modified to produce their own light through bioluminescence Sasa Woodruff/Boise State Public Radio hide caption