Researchers hope AI can help with the shortage of mental health providers. Basak Gurbuz Derma/Getty Images/Moment RFhide caption

Psilocybe mexicana mushrooms grown by a resident of Washington, DC. Researchers are studying psychedelics like psilocybin to treat depression, PTSD and other disorders. But researchers still don't know exactly why they work. Photo by Jahi Chikwendiu/The Washington Post via Getty Imageshide caption

Health and Human Services Secretary Robert F. Kennedy Jr., right, arrives at Reinlander Mennonite Church after a second measles death of a child, on Sunday in Seminole, Texas. Annie Rice/APhide caption

A mason bee is pictured. The bees are known as good pollinators. Crown Beeshide caption

A dog looks out from a cage at Auntie Ju's shelter for stray dogs on the outskirts of Bangkok on April 6, 2020. MLADEN ANTONOV/AFP via Getty Images/AFPhide caption

Horses are exceptional athletes, able to push their large bodies farther and faster than many other animals. Darrell Gulin/Getty Images/The Image Bank RFhide caption

Runners compete in the New York Marathon in New York City on November 3, 2024. New research suggests that marathon runners may deplete a fatty substance in their brain called myelin. Photo by DAVID DEE DELGADO/AFP via Getty Imageshide caption

The rig shark is a small species of shark, growing to just about 5 feet in length. Scientists found it made a sound like a crackle of electricity when held. Photo by Paul Caigerhide caption

NPR producer Ana Perez's strawberry plant on a balcony on April 3. Ana Perez/NPRhide caption

People walk through the gate on Harvard Yard at the Harvard University campus in Cambridge, Massachusetts. Scott Eisen/Getty Imageshide caption

The New York Yankees' Austin Wells hits a home run using a torpedo bat against the Milwaukee Brewers at Yankee Stadium on Saturday. The bats' distinctive shape quickly became the talk of the new baseball season. Mike Stobe/Getty Imageshide caption

New tests of blood and spinal fluid could help doctors quickly identify patients who would most benefit from treatment. Andrew Brookes/Getty Imageshide caption

Tornados have been spotted on every continent except Antarctica, but tornado alley has far more twisters than other spots on the globe. Connect Images/Jason Persoff Stormdoctor/Getty Imageshide caption

A lab manager in the molecular diagnostic lab prepares milk samples for testing at the Animal Health Diagnostic Center at Cornell University in Ithaca, N.Y., on Dec. 10, 2024, amid increased concern over a strain of the H5N1 avian flu. Michael M. Santiago/Getty Imageshide caption

An activist protests against the Trump administration's plan to stop some federal grants and loans during a rally near the White House on January 28 in Washington, DC. Anna Moneymaker/Getty Images/Getty Images North Americahide caption

Cherry blossoms on a tree at the Portland Japanese Garden in Portland on March 27. Portland Japanese Gardenhide caption

A native green iguana on Fiji. For years, biologists puzzled over how these iguanas had ended up in the South Pacific, so far from other iguana species. A new study sheds light on their evolution. tobiasjo/Getty Imageshide caption

Fram2 mission astronauts who will be first to circle the Earth from pole to pole: From left to right: pilot Rabea Rogge, Mission specialist and medical officer Eric Phillips, mission commander Chun Wang and vehicle commander Jannicke Mikkelsen. SpaceX/via Reuters Connecthide caption

Researchers at Stanford University are training robots to respond to simple tasks using AI. Moo Jin Kim/Stanford Universityhide caption

People walk past the faculty of economy of the Aix-Marseille University in Marseille on Oct. 4, 2023. Christophe Simon/AFP via Getty Imageshide caption

Narwhals are arctic whales that live in social groups called pods. CoreyFord/Getty Imageshide caption