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Dr. Mark Sawyer says recent changes to the Centers for Disease Control and Prevention’s vaccine advisory committee could cause confusion, lower vaccination rates, and undo decades of progress.

Wednesdays, March 26 - April 9, 2025 at 11 p.m. on KPBS TV / Stream now with the PBS app. Physicist and best-selling author Alan Lightman investigates how key findings of modern science help us find our bearings in the cosmos. What do these new discoveries tell us about ourselves, and how do we find meaning in them? Travel from the infinity of the small to the infinity of the large, meeting with the co-discoverer of one of the most distant galaxies yet known.

The National Oceanic and Atmospheric Administration's Space Weather Prediction Center says a severe geomagnetic storm is possible Sunday night.

An intense and nearly historic weather pattern is cooking much of America under a dangerous heat dome this week with triple-digit temperatures in places that haven't been so hot in more than a decade.

Climate.gov is the main source of timely climate-related information for the public. It will stop publishing new information because the Trump administration laid off everyone who worked on it.

Suzie Hicks the Climate Chick is an up-and-coming educator and TV host with a YouTube series tailored to kids ages 4 through 8.

Like any self-respecting four-letter word, "nice" has many connotations. Centuries ago, "nice" meant someone was ignorant; now it has very different meanings. And that, as they say, is "noice."

The risks of drones have been underscored by Russia's drone strikes in Ukraine, and Ukraine's surprise drone strikes that destroyed some aircraft deep within Russia, the White House said.

The Blue Water Institute (BWI) celebrates UN – World Water Day, March 22 and promotes San Diego, California as a hub for marine science, naval exploration and an epicenter for environmental storytelling. BWI was founded by Greg Reitman to bridge the world of environmental activism and storytelling. BWI profiles a variety of events including film premieres, educational panels, high-level networking, social gatherings, and culminates with the Blue Water Awards show. Visit: https://www.bluewaterfilmfestival.org/ Greg Reitman on Instagram and Facebook

Far-Flung Postcards is a weekly series in which NPR's international correspondents share snapshots of moments from their lives and work around the world.