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Jan 27

Watch 5:50
Chinese AI startup DeepSeek shakes up industry and disrupts financial markets

By Geoff Bennett, Karina Cuevas

A China-based artificial intelligence startup is shaking up the industry. It’s called DeepSeek and its biggest advantage, analysts say, is that it can operate at a lower cost than American AI models like ChatGPT. It's disrupting markets and raising national…

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Jan 25

Watch 5:53
What to know about an AI transcription tool that ‘hallucinates’ medical interactions

By John Yang, Kaisha Young

Many medical centers use an AI-powered tool called Whisper to transcribe patients’ interactions with their doctors. But researchers have found that it sometimes invents text, a phenomenon known in the industry as hallucinations, raising the possibility of errors like misdiagnosis.

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Jan 12

Watch 2:54
What an ancient ice core from Antarctica can tell us about our climate’s past and future

By John Yang, Harry Zahn

Scientists say they have tapped into an extraordinary archive of the Earth’s climate in the ice deep beneath Antarctica. They hope it will help them understand both how the climate changed in the past, how it’s changing now and how…

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Jan 11

Watch 5:39
Formaldehyde is everywhere, but poses dangers to our health. Here’s what to know

By John Yang, Harry Zahn

The chemical formaldehyde is found just about everywhere, including in composite lumber, plastics, paints and glues used in many homes and offices. This past week, an EPA evaluation said it poses “an unreasonable risk” to human health. A ProPublica investigation…

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Dec 31

Watch 6:33
How artificial intelligence impacted our lives in 2024 and what’s next

By Jeffrey Brown

Artificial intelligence continued to redefine the tech landscape in 2024, driving change in a wide range of fields. AI has quickly become a part of everyday life, with AI-powered features integrated into everything from search engines and cell phones to…

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Dec 25

Watch 6:43
How a newly discovered galaxy could offer clues on how our Milky Way Galaxy formed

By Miles O'Brien

Scientists have found the beginnings of a young universe that may offer insights into the beginnings of our own Milky Way Galaxy. Geoff Bennett and Miles O'Brien discussed why scientists are excited by the discovery, one that has a little…

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Nov 25

Watch 6:56
Developing nations leave UN climate conference with deal but say ‘we’re not satisfied’

By William Brangham, Azhar Merchant

At the U.N. climate talks in Azerbaijan, negotiators struck a deal at the last moment. Wealthy nations pledged $300 billion a year by 2035 to help developing countries deal with the impacts of climate change and to help their transition…

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Nov 16

Watch 8:05
Report highlights disproportionate killings of Indigenous environmental activists

By Ali Rogin, Satvi Sunkara

Leaders at the United Nations’ COP29 climate change summit are being pressed this year to address the rising threats to environmentalists and defenders of human rights. Ali Rogin looks at the challenges facing these activists around the world and speaks…

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Sep 17

Watch 7:05
Dr. Francis Collins explores his faith and science in new book, ‘The Road to Wisdom’

By Geoff Bennett, Azhar Merchant

Dr. Francis Collins has been at the forefront of the world’s most advanced biomedical research. He led the Human Genome Project and was the longest-serving director of the National Institutes of Health. He is drawing on his career to focus…

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Aug 06

Fossils suggest ancestors of Indonesian ‘hobbits’ were even shorter

By Adithi Ramakrishnan, Associated Press

Researchers have debated how the hobbits — named Homo floresiensis — evolved to be so small and where they fall in the human evolutionary story.

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