Science Scientists study the mysteries of bird migration in the mountains of Los Angeles Every spring, a remarkable sight unfolds in the San Gabriel Mountains north of Los Angeles, as thousands of songbirds fly north. Jonaki Mehta Christopher Intagliata Ailsa Chang
Science Boeing prepares for Starliner's first crewed launch into space after several setbacks The latest test flight comes after multiple delays in the Starliner program and increased scrutiny of Boeing for safety lapses in the production of its commercial aircraft. Joe Hernandez
Science When PTO stands for 'pretend time off': Doctors struggle to take real breaks What's a typical vacation activity for doctors? Work. A new study finds that most physicians do work on a typical day off. In this essay, a family doctor considers why that is and why it matters. Mara Gordon
Science Scientists welcome new rules on marijuana, but research will still face obstacles When marijuana becomes a Schedule III instead of a Schedule I substance under federal rules, researchers will face fewer barriers to studying it. But there will still be some roadblocks for science. Rhitu Chatterjee
Science Orangutan in the wild applied medicinal plant to heal its own injury, biologists say It is "the first known case of active wound treatment in a wild animal with a medical plant," biologist Isabelle Laumer told NPR. She says the orangutan, called Rakus, is now thriving. Bill Chappell
Environment This week in science: biodegradable plastic, crops on Mars and deer vs. caribou NPR's Juana Summers talks with Regina Barber and Emily Kwong of Short Wave about biodegradable plastic, simulating growing crops on Mars, and how deer are disrupting caribou populations. Emily Kwong Regina G. Barber
Science Hormones for menopause are safe, study finds. Here's what changed Women under 60 can benefit from hormone therapy to treat hot flashes and other symptoms of menopause. That's according to a new study, and is a departure from what women were told in the past. Allison Aubrey
Politics Why is a 6-week abortion ban nearly a total ban? It's about how we date a pregnancy The time a person has to decide whether to have an abortion in Florida and other states with six-week abortion bans is at most two weeks. Why? It's has to do with how we date early pregnancy. Selena Simmons-Duffin
Science Mammograms should start at age 40, new guidelines recommend A rise in breast cancer among younger women prompted the U.S. Preventive Task Force to issue new screening guidelines. They recommend mammograms every other year, starting at age 40. Allison Aubrey
Politics How do you counter misinformation? Critical thinking is step one An economic perspective on misinformation Greg Rosalsky
