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The Pulse

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Go on an adventure into unexpected corners of the health and science world each week with award-winning host Maiken Scott. The Pulse takes you behind the doors of operating rooms, into the lab with some of the world's foremost scientists, and back in time to explore life-changing innovations. The Pulse delivers stories in ways that matter to you, and answers questions you never knew you had.

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Episodes

Why We're All So Outraged

When we're feeling morally outraged — over politics, global conflicts, or violence, like the recent murder of United Healthcare CEO Brian Thompson — what's at the root of this feeling? Psychologist Kurt Gray argues that moral outrage is tied to fear and perceived harm. He joins us to discuss his forthcoming book "Outraged: Why We Fight About Morality and Politics and How to Find Common Ground." Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Dec 13, 202449 min

Parrot or Prophet: How AI is Shaping Language

For thousands of years, we've thought of language as one of the key features that makes humans unique. But with the rapid evolution of large language models, the line between human communication and AI is starting to blur. On this episode, we explore the possibilities and limits of AI-generated language, how it's changing the way we communicate, and the implications for what it means to be human. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Dec 06, 202449 min

When Being 'Gifted' No Longer Feels Like a Gift

What does it mean to be 'gifted'? Who qualifies and how should we teach and treat gifted children? And, where do the limits of their talents lie? On this encore episode, we hear stories about the challenges of growing up gifted, how musical prodigies are made — and identified, and what a chess wunderkind has to teach us about the value of raw talent vs. experience. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Nov 29, 202449 min

Thanksgiving Disasters — And How to Avoid Them

Thanksgiving is a lovely holiday — a time for food, family, and counting our blessings. But let's face it: The festivities don't always go as planned. On this episode, we explore the full range of holiday catastrophes, from travel hiccups to cooking disasters, and offer expert advice on how to avoid them. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Nov 22, 202457 min

The Threats Facing Trees — and How to Save Them

We not only love trees for their beauty — we need them for our survival. But around the world, some trees, and even entire forests, are facing numerous existential threats. On this episode, we explore why we need trees, the dangers they face, and new efforts to help them survive and thrive. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Nov 15, 202449 min

Biomimicry: What Nature Can Teach us about Engineering and Design

How does nature make durable materials like corals and seashells without a heat or a kiln? How do peacock feathers get their beautiful colors? Scientists are trying to understand these processes and to replicate them for sustainable human products and design. The field of biomimicry is growing. We'll explore its origins and hear about some of the latest innovations. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Nov 08, 202449 min

What Makes Our Circadian Clocks Tick

Circadian rhythms affect more than our sleep — they can shape all aspects of our health, and are in turn shaped by the rhythms of our lives. We explore the intricate mechanics of our internal clocks, and how they affect our health. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy

Nov 01, 202449 min

How Politics Are Changing Health and Science

With a contested presidential election looming, we explore what's at stake for health and science, from fertility medicine to cyber security with voting machines, and efforts by scientists to protect themselves from political influence. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy

Oct 25, 202451 min

Thrills & Chills: The Psychology of Fear

It's that time of year when we celebrate something we usually hate: fear. We visit haunted houses and corn mazes or binge-watch the scariest horror movies. In its most primitive form, fear is about survival — so we can face or escape serious threats. In other settings — where there's no danger — fear can feel exhilarating or fun. On this episode, we explore our complicated relationship with fear. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Oct 18, 202448 min

All the Rage

Your face flushes hot, maybe your fists clench, your heartbeat speeds up and your blood pressure rises. It's rage and it can go from zero to red-hot in seconds. It's normal to feel angry when you or somebody else has been wronged, mistreated, or hurt. But even justified rage can become destructive. How do we handle these fiery emotions when they erupt? Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Oct 11, 202449 min

When Law Enforcement and Health Care Meet

Police generally aren't trained to deal with mental health crises — and yet they constantly find themselves called to intervene in these challenging situations, sometimes leading to disastrous results. On this episode, we explore efforts to change how law enforcement and health care work together. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Oct 04, 202449 min

When Every Second Counts: Advances in Cardiac Care

Every second counts when it comes to treating patients in cardiac arrest — which is why researchers and health care professionals are working constantly to find faster and better ways of delivering care. We hear about some of the latest advancements, from a new generation of networked AEDs to high- and low-tech innovations in treating heart disease. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Sep 27, 202449 min

Navigating Autism in School

What's the best educational setting for my child to learn and grow? It's a question many parents contemplate, but it's an especially difficult question for parents of autistic kids. We explore the often unseen challenges these kids face at school, the battles parents face advocating for change, and what experts say could actually make a difference. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Sep 20, 202449 min

What It Takes to Treat Serious Mental Illness

We explore what it takes to recover from serious mental illness, with stories about how a patient's decades-long relationship with his psychiatrist helped him overcome severe depression, how a new crisis response program balances safety with providing help to those experiencing mental health emergencies, and how Patrick Kennedy went from politician to mental health advocate. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Sep 13, 202449 min

The Healing Power of Music

You've heard that music is the language of the soul — but could it also be a treatment for the body? On this episode, we explore some of the latest science on the healing power of our favorite tunes, from how they affect our brains, to why they improve our workouts, to the promise they show in treating illnesses like epilepsy and Parkinson's. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Sep 06, 202450 min

What Teeth Tell us About Survival on Earth

Zoologist Bill Schutt argues that teeth were pivotal to the success of vertebrate animals, they're power tools for survival. His latest book is "Bite: An Incisive History of Teeth, from Hagfish to Humans." On this podcast extra, Schutt explains why teeth are key to understanding evolution; the controversy over fluoride in water; and why people once thought decay was caused by tooth worms. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Sep 03, 202430 min

The Hidden Forces That Shape Our Behavior

There are countless hidden forces that affect how we behave, the choices that we make, and the general shape of our lives. On this episode, we take a deep dive into some of those forces. We hear stories about mirroring and how it affects our interactions, whether implicit bias trainings actually work, and how hierarchies influence productivity. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Aug 30, 202450 min

Virtual Worlds, Virtual Lives

On this encore episode of The Pulse - We're in a major technological revolution where artificial intelligence, gaming, and virtual reality are allowing us to create and enter totally new spaces and have new experiences.But as these worlds grow bigger, more intense, and more consuming, they're also raising questions about what this new future will look like. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy...

Aug 23, 202449 min

The Promise and Future of Psychedelics Research

Interest in using psychedelics for mental health treatments has taken off in recent years — but the field was just dealt a major blow on August 9, when the Food and Drug Administration rejected a bid by Lykos Therapeutics to approve the first-ever MDMA treatment for PTSD. The agency said it needed more research to show that the drug was safe and effective. The decision means that an active research community that has formed over the last few decades will likely continue as it started — more unde...

Aug 16, 202449 min

The Big Chill and the Future of Refrigeration

We've only been able to harness the cold for our benefit for a little over 100 years, but innovations like refrigeration and air conditioning have completely transformed the way we live and eat. A massive cold chain makes it possible to buy salmon from Alaska, grapes from Chile, and cheese from Italy; to have sushi in Kansas and ice cream in the summer. Air conditioning allows us to function and to be comfortable during the hot summer months. But it all comes at a cost, and not just financially....

Aug 09, 202449 min

Asking for Help

Asking for help is hard. It can make us feel vulnerable, like we're sharing too much or admitting weakness. It can also stoke fears about our relationships and sense of self-worth — am I being a burden? Will they resent me later? What if they say no? And yet, the ability to ask for help is an important life skill that not only helps us survive, but can make us feel loved, supported and connected. On this episode, we hear stories about what happens when different people ask for help — from the st...

Aug 02, 202449 min

Sharks — From Fear to Fascination

Before dinosaurs, before trees — even before Saturn had its rings – there were sharks. The fierce predators have been swimming in our oceans for hundreds of millions of years, standing the test of time as they survived all five of Earth's mass extinction events. Now, though, many of them face unprecedented threats, from overfishing to climate change. But there's a movement underway to protect sharks — and to change their public image, which suffered after the classic movie Jaws. On this episode,...

Jul 26, 202449 min

How Money Shapes Medicine

Health care is a billion dollar industry in the U.S. — one of the biggest in the country. The business aspect of medicine is an invisible force in the doctor's office that shapes treatment decisions and care. As patients, financial worries can affect whether we go to the doctor in the first place, make us suspicious of expensive procedures, or even cause us to turn down necessary care. And patients aren't the only ones worrying about money — on the provider side, everyone from doctors to hospita...

Jul 19, 202449 min

Unearthing the Secrets of Volcanoes and Rocks

It's easy to forget that the earth below us is always changing and shifting — but sometimes, we get a dramatic demonstration of exactly that, like with the recent eruptions of a volcano in Iceland. Volcanoes can devastate and destroy, but they're also an integral part of our planet's history and even evolution. And the same goes for the rocks beneath our feet — they're ancient artifacts, historical records, time capsules filled with clues about Earth's past and its future. On this episode, we re...

Jul 12, 202449 min

Degrees of Freedom

On this rebroadcast of The Pulse: Freedom sounds great as an idea. Who doesn't want to be free to do what they want? But when you take a closer look, freedom becomes more complicated. What does it really mean to be free — and how free can we be? On this encore episode, we'll look at freedom from different perspectives. We'll talk with a neuroscientist who says we evolved to have free will — even though it can sometimes feel like our brains are just following a bunch of preset options. And we'll ...

Jul 05, 202449 min

How Amazon Revolutionized Shopping and Changed the World

Amazon caught the wave of the early internet at a time when very few people even understood what the internet was. Launched in a garage 30 years ago, the company has grown from its humble beginnings to a global powerhouse that has expanded into all kinds of sectors, everything from cloud computing to health care. Founder Jeff Bezos wanted Amazon to become a daily habit for consumers — and for many people, it's become just that. And even if you're not ordering anything today, chances are, you are...

Jun 28, 202452 min

Making Faces

Imagine looking at a crowd of people, and they either all look vaguely familiar, or like complete strangers. It doesn't matter if this is a group of classmates or colleagues, or people you have never met before. That's a daily experience for people who have a condition called face blindness — who can't recognize people based on their faces. Face recognition takes up a lot of real estate in our brains, and for good reason; recognizing people allows us to form relationships, tell friend from foe, ...

Jun 21, 202449 min

The DIY Medicine Movement

DIY culture is all about empowerment — teaching yourself new skills to do things on your own, like retiling your bathroom or fixing a leaky faucet. But what happens when the DIY approach extends to something as complicated and potentially dangerous as medicine? On this episode, we take a look at the growing number of patients who are taking health care into their own hands — experimenting with DIY treatments ranging from brain stimulation to homemade wound ointments. We hear about a man who deve...

Jun 14, 202449 min

The Search for Modern Masculinity

Competent. Capable. Strong. Stoic. Provider. Protector. Leader. Patriarch. These are the kinds of words that we've long associated with masculinity and manhood — but in recent decades, ideas of what it means to be a man have undergone drastic changes. As women have gained ground in education and careers, politics and culture, the role of men has shifted. They're no longer automatically assumed to be the main breadwinners, the decision-makers or leaders. And a lot of the "masculine" attributes th...

Jun 07, 202455 min

10th Anniversary Show: The Science Changing Our Lives

When it comes to science, it's often the flashiest stories that grab headlines — the cancer breakthroughs, the tech innovations, the discoveries of new species or distant stars. But there's also plenty of science that, while it may not make a huge splash, is quietly changing the way we live.On this episode, The Pulse celebrates its 10-year anniversary with a special live show that turns the spotlight on the science changing our everyday lives. We talk with a pediatrician and engineer whose work ...

May 31, 202449 min
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