Horizons from PBS News

Each week, explore science, health, and technology headlines with leading experts. PBS News is supported by – https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Latest Episodes:

A look at 'super agers' and the science behind longer, sharper lives Apr 17, 2026

Show notes

For thousands of years, humans have tried to avoid growing old. Billions are spent every year on potions and procedures to make us look younger, feel younger and think younger. It's a hugely profitable, but ultimately fruitless hunt. But science has started to zero in on some proven techniques. Horizons moderator William Brangham explores that with Dr. Eric Topol and Dr. Sandra Weintraub. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Will more Americans embrace renewable energy after the latest oil price surge? Apr 10, 2026

Show notes

As the impact from the war in Iran grinds on, Americans are feeling it at the gas station. Evangelists for clean energy say the oil shock is an opportunity to embrace the transition to renewable power like wind and solar. With energy prices on the rise, Horizons moderator William Brangham explores if Americans are open to a new way of powering our world with Bill McKibben and Jigar Shah. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

The alarming rise of cancer in young adults and steps that could lower the risk Apr 03, 2026

Show notes

We tend to think of cancer as a disease that mainly affects older people, but an increasing number of diagnoses are happening amongst the young. What is behind this alarming rise? And can anything be done to prevent it? Horizons moderator William Brangham explores those questions and more with Laura Behnke, Dr. Veda Giri and Dr. Shanthi Sivendran. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

How the Artemis moon missions are shaping the next era of exploration Mar 20, 2026

Show notes

Nearly 60 years after NASA sent the first humans to ever land on our moon, the U.S. is going back with a series of increasingly difficult missions. Horizons moderator William Brangham explores the Artemis program and what new discoveries NASA is hoping to find with PBS News science correspondent Miles O'Brien, Casey Dreier of The Planetary Society and retired astronaut and engineer Leroy Chiao. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

The promise of obesity drugs and their potential risks Mar 13, 2026

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Once a relatively obscure class of drugs used for people with diabetes, GLP-1s have now shown an impressive ability to treat obesity, which affects over 100 million Americans. Horizons moderator William Brangham explores the great promise of the drugs and the potential concerns surrounding them with Dr. Jody Dushay, Dr. Rekha B. Kumar, Dr. Anna Lembke and Dr. Ziyad Al-Aly. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Exploring the power and mystery of consciousness Mar 06, 2026

Show notes

All of us experience consciousness. We have thoughts and feelings, and we're aware of those acting upon us. It's the hidden internal lens through which we view the world, but why do we have this power, and are we the only ones that do? Horizons moderator William Brangham explores this defining aspect of being human with Michael Pollan, author of "A World Appears: A Journey into Consciousness." PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

Can AI companionship cure loneliness – or deepen it? Feb 27, 2026

Show notes

For some, artificial intelligence tools answer questions and make life more efficient. But for others, AI has become a form of companionship – a virtual friend, a therapist, even a romantic partner. Is AI a cure for loneliness? Or is this a symptom of something gone very wrong? Horizons moderator William Brangham explores AI relationships with Sherry Turkle, Justin Gregg and Nick Thompson. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

The science behind exercise and why it's good for our bodies Feb 20, 2026

Show notes

This will come as a surprise to no one, but exercise is really good for us. But why it works and how it works are far less understood. Horizons moderator William Brangham explores that with Stanford University's Euan Ashley. He's a professor of genomics and cardiovascular medicine and is part of a team trying to understand, at the very molecular level, how exercise changes our bodies, and why. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

How Olympians prepare for the pressure of the world stage Feb 13, 2026

Show notes

The Winter Olympics are in full swing, but it's a far cry from the first games held 130 years ago. Horizons moderator William Brangham explores advances in training, technology and psychology with Dr. Caroline Silby, and discusses how climate change is impacting the Winter Olympics with Elizabeth Burakowski and Julia Kern.The Winter Olympics are in full swing, but it's a far cry from the first games held 130 years ago. Horizons moderator William Brangham explores advances in training, technology and psychology with Dr. Caroline Silby, and discusses how climate change is impacting the Winter Olympics with Elizabeth Burakowski and Julia Kern. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

How sports betting is changing our brains and behavior Feb 06, 2026

Show notes

Americans are expected to place a record-breaking $1.7 billion in legal bets on the Super Bowl. With a potential casino inside every phone and computer, a rising chorus of experts who study problem gambling and addiction are ringing the alarm. Horizons moderator William Brangham explores this tidal shift in American culture with journalist Danny Funt and addiction psychiatrist Dr. Timothy Fong. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

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