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Listen to PBS NewsHour science reporting published every Wednesday by 9 p.m. Featuring reports from Miles O'Brien, Nsikan Akpan and the rest of our science crew, we take on topics ranging from the future of 3-D printing to power of placebo drugs. Is this not what you're looking for? Don't miss our other podcasts for our full shows, individual segments, Brooks and Capehart, Brief but Spectacular, Politics Monday and more. Find them in iTunes or in your favorite podcasting app. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
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To most people, the sun is a steady, never-changing source of heat and light. But to scientists, it's a dynamic star, constantly in flux, sending energy out into space. Experts say the sun is now in its most active period in two decades, causing potential disruptions to radio and satellite communications. John Yang speaks with Bill Murtagh of NOAA's Space Weather Prediction Center to learn more. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
New research is revealing the secrets of Io, the mysterious volcanic moon of Jupiter. Four centuries after Galileo discovered Io in 1610, NASA sent a spacecraft called Juno on a five-year mission to Jupiter and its moons. Last week, NASA released animated artists' conceptions of Io based on data Juno collected during two flybys. John Yang reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
Data shows that global levels of the three main heat-trapping greenhouse gases -- carbon dioxide, methane and nitrous oxide -- all reached record highs in 2023 for the second year in the row, and experts say there's no end in sight. But a new book, 'H Is for Hope,' says there is reason for hope in the fight against climate change. William Brangham speaks with its author, Elizabeth Kolbert. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
Millions of people on Monday watched a rare total eclipse cut across the U.S., Mexico and Canada, plunging some towns and cities into darkness for several minutes. In many other places it was a chance to view a partial eclipse. Miles O'Brien, who witnessed the spectacle from Dallas, has our report. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
More than 2 billion people, about a third of the world's population, face food insecurity. At the same time, a recent UN report estimated that more than 1 billion metric tons of food went to waste in 2022, enough to give each person facing hunger around the world more than one meal a day. Ali Rogin speaks with Dana Gunders, executive director of ReFED, to learn more. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
While the U.S. has made great progress improving air quality in recent decades, air pollution is still a driver of many serious health conditions both domestically and globally. According to a new report, only seven countries met the World Health Organization's air quality guidelines for pollution in 2023. Glory Dolphin Hammes, North American CEO for IQAir, joins William Brangham to discuss. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
On Jekyll Island off the Georgia coast, some sea turtles and people who care about their survival marked a small victory on Thursday. The Georgia Sea Turtle Center teamed up with volunteers from Northeast aquariums and conservation groups to move 33 Kemp's ridley sea turtles and one green sea turtle to warmer southeastern waters where they can thrive. John Yang reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
We're less than three days away from the total solar eclipse that will be seen in the U.S., Mexico and Canada. Monday's eclipse will cut across 13 states with more than 30 million people living in the path of totality while millions more are traveling to get a good look. Science correspondent Miles O'Brien and astrophysicist Neil DeGrasse Tyson have a viewer's guide on what you need to know. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
An annual, celebrated event took place this past week in Washington, D.C., and it didn't have anything to do with politics. It's known as peak bloom, the day 70 percent of blossoms are open on Washington's iconic cherry trees around the Tidal Basin. But for 158 of the trees, this year will be their last bloom. John Yang reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
Kevlar is a fiber that's stronger than steel, and it's revolutionized everything from military and police body armor to sports equipment. For our "Hidden Histories" series this Women's History Month, we learn about Stephanie Kwolek, the pioneering researcher who invented Kevlar in 1965. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
The world produces an average of 430 million metric tons of plastic each year. The United States alone produces tens of millions of tons of plastic waste annually. Yet on average, only about 5 to 6 percent of plastic in the U.S. is recycled. NPR correspondent Michael Copley joins Ali Rogin to discuss a new report on the plastic industry's tactics to push recycling and avoid regulation. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
Environmental efforts to protect sharks in recent years have resulted in a huge increase in the great white shark population off the New England coast. It's a conservation success story, with potentially unnerving implications for beachgoers. Rhode Island PBS Weekly's David Wright reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
The new season of PBS NewsHour's Student Reporting Labs podcast "On Our Minds" is underway. In this episode of the series that focuses on mental health challenges among young people, Bree Campbell and James Kim speak with U.S. Surgeon General Dr. Vivek Murthy. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
The northern white rhinoceros is one of the world's biggest animals, and one of the most endangered. Only two are known to be alive, both female. But scientific breakthroughs are raising hopes for saving the rhino and perhaps even bringing other animals back from extinction. John Yang reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
Amid underwater mountains off the coast of Chile, scientists believe they've discovered 100 or so new species with the aid of a robot capable of diving more than 14,000 feet. Researchers say it demonstrates how the Chilean government's ocean protections are bolstering biodiversity and providing a model for other countries. John Yang reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
According to a paper published this past week in the journal Nature Astronomy, scientists found what could be the brightest known object in the universe: a quasar produced by a massive and voracious black hole. It's estimated to be emitting light that's 500 trillion times more intense than Earth's sun. John Yang has more. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
The realism of AI-generated video is one of the more remarkable, and potentially scary, developments we've seen so far with the technology. Oren Etzioni studies artificial intelligence and is the founder of truemedia.org, an organization that fights against AI-based disinformation. Etzioni joined William Brangham to discuss the future of AI. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
According to data from the United Nations Office for Outer Space Affairs, 2023 was a record year for launching satellites, probes, landers and more into space. But scientists worry those plumes of exhaust trailing behind rockets could be scattering harmful pollutants into the pristine upper layers of the atmosphere. John Yang speaks with freelance science journalist Shannon Hall to learn more. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
1Coral reef ecosystems support a quarter of all marine life on Earth, but they are slowly dying under the relentless stresses of overfishing, pollution, disease and climate change. As part of our ongoing series "Saving Species," William Brangham dives into the steps that scientists are taking to try to preserve the corals that remain. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
Heman Bekele spent the last year developing a bar of soap that could treat skin cancer. It was the winning entry at the annual 3M Young Scientist Challenge, considered one of the top science and engineering competitions for fifth through eighth graders. For our Weekend Spotlight, John Yang speaks with Bekele about his work. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders
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I am so happy to hear that wild polio is going extinct in another country! My mom's cousin got polio when she was young and now the damage it caused all those years ago is affecting her in her old age. Like wild chicken pox can come back as shingles, polio has long lasting effects.