PBS News Hour - Science

Over 55 million people worldwide are living with the devastating reality of dementia, but researchers have now identified some individuals who share a rare genetic predisposition to developing a type of this tragic disease. Could studying these families unlock new ways to predict, treat, or even prevent Alzheimer's and dementia? Horizons moderator William Brangham explores more with Robert Kolker. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Mandatory cuts from the federal government on water from the Colorado River will soon take effect in Arizona, Nevada, and California. Now, some water managers in the region are spending billions to prepare for a drier future. Special correspondent Ben Tracy with Climate Central reports for our series, Tipping Point. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

In our news wrap Thursday, the Supreme Court agreed to review the Trump administration's mandatory detention policy for migrants, UK police arrested a British-Iranian citizen on suspicion of planning a terror attack following a security incident at an air base and a Russian drone slammed into a school in Kyiv as the capital endured yet another day of aerial attacks. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Top tech executives met with President Trump on Tuesday to discuss the future of artificial intelligence amid growing concerns over AI models losing control. Researchers and lawmakers are calling for stronger safeguards, but Trump said the technology is transforming the economy and that the U.S. cannot afford to lose its lead over China. Geoff Bennett discussed more with Gary Marcus. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

The Trump administration is rolling back federal fuel economy standards for new vehicles. The move reverses policies meant to increase fuel efficiency to encourage greater use of electric vehicles. The boost for gasoline-powered vehicles comes as the war in Iran continues to drive up oil prices. Amna Nawaz discussed the changes with David Shepardson of Reuters. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Cleanup efforts are underway after a powerful nor'easter battered parts of the East Coast, bringing dangerous waves, flooding and damaging winds from New England to New Jersey. The storm also knocked out power for many. Jeffrey Brown reports. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

In our news wrap Monday, UK police are investigating five British nationals in connection with a possible plot at an American airbase, prosecutors in New York say they are reopening a criminal investigation into an alleged sexual assault at a Cornell University fraternity in 2024 and officials in Ukraine say at least seven people were killed and more than 80 were wounded in Russian strikes. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

We are all being watched in ways we never imagined, including vehicle tracking, facial recognition technology and data mining. What does all this digital surveillance mean for the right to privacy? And as a backlash over this monitoring grows, what can you do to protect yourself? Horizons moderator William Brangham explores the ethics of surveillance Byron Tau and Calli Schroeder. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

In our news wrap Friday, Chinese President Xi wrapped up a three-day state visit with President Trump that was heavy on pageantry and light on policy announcements, tens of millions of people along the East Coast could see flooding, rough surf and high winds due to a powerful nor'easter and New Jersey's lieutenant governor stepped down amid accusations of sexual harassment and ethics violations. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

In our news wrap Thursday, Israeli Prime Minister Benjamin Netanyahu delivered a fiery speech at the U.N. General Assembly and dismissed allegations of genocide in Gaza, eight people were killed in the latest barrage of Russian drones and missiles in Ukraine and Texas election officials are scrambling to clear a backlog of voter registration applications caused by an error at the state level. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy