Harvard Thinking

Breaking the regret cycle 13.05.2026 29mnt

We all make mistakes. Sometimes we’re able to brush off these experiences, but other times we’re left with regrets. We regret that thing we said, how we handled that situation, or the choice we made. In this episode, host Samantha Laine Perfas, palliative care specialist Susan Block, neuroscientist Liz Phelps, and behavioral scientist Leslie John discuss how to make peace with the actions – or inactions – that still haunt us.

Why we love dogs— and they love us back 29.04.2026 28mnt

Secrets of super-agers 15.04.2026 30mnt

It’s common for our brains and bodies to atrophy with age. But some adults, those known as super-agers, have shown that we may be able to keep the sharpness of someone decades younger, even matching the cognitive abilities of a person in their 20s. In this episode, host Samantha Laine Perfas talks with biologist Will Mair, neurologist Alexandra Touroutoglou, and geriatric doctor Suzanne Salamon about what we’ve learned about super-agers and the secrets that may help us all extend and enrich our later years.

Priced out of the American dream 01.04.2026 34mnt

Owning a home feels increasingly unattainable for many middle-class Americans. Last year, home prices surged to nearly five times the median income. Yet the pace of building new housing, which could create more affordability, remains slow. In this episode, host Samantha Laine Perfas talks with urban economist Ed Glaeser, former CEA chair Jason Furman, and innovative housing expert Amy Tomasso about how those hoping to buy can make sense of the current housing crisis.

The things we carry 18.03.2026 33mnt

Different forms of adversity – like abuse, violence, and neglect – not only damage our physical and mental health but also change our cells. Scientific advances in the biology of adversity are showing us that in some cases, the harms of negative experiences run dangerously deep in our bodies and minds. In this episode, host Samantha Laine Perfas talks with children’s psychologist Kate McLaughlin, psychiatric epidemiologist Karestan Koenen, and cellular biologist Jason Buenrostro about what the future holds for protecting people from their worst experiences.

Is marriage worth saving? 04.03.2026 30mnt

Marriage has evolved a lot through the years – and so have the problems and rewards that come with it. Research suggests it benefits our physical and mental health, but it might not seem like it when conflict arises and couples struggle to co-manage a household. With greater social acceptance of a variety of lifestyle choices, many people – especially young women – are thinking twice before tying the knot. In this episode, host Samantha Laine Perfas talks with business professor Debora Spar, psychiatrist and family counselor Richard Schwartz, and bestselling author Eve Rodsky about the role of marriage in modern society.

Preserving learning in the age of AI shortcuts 18.02.2026 28mnt

Generative AI tools are here to stay. There’s a debate around whether or not they should be embraced in spaces of learning. Recent reports suggest that the risks of using these tools might outweigh the benefits, threatening cognitive development by doing the thinking for their users. This is forcing educators into a dilemma: how do they make the most of AI’s potential, while also protecting students’ ability to think for themselves? In this episode, host Samantha Laine Perfas talks with cognitive scientist Tina Grotzer, applied mathematics professor Michael Brenner, and educator Ying Xu about how to use AI tools to enhance learning, rather than replace it.

The perils of perfectionism 17.12.2025 29mnt

Many people hold themselves to extremely high standards, but when the scales tip to the pursuit of perfection, it can result in anxiety, depression, and other serious mental health issues. In this episode, host Samantha Laine Perfas talks with journalist Jennifer Breheny Wallace, psychologist Ellen Hendriksen, and public health expert Michaela Kerrissey about when we’ve gone too far in trying to achieve our best.

How memory works (and doesn’t) 03.12.2025 28mnt

We rely on our memories for so much. Memory is the foundation of our sense of self, ability to learn new information, and stay safe. But our memories are also highly suggestible, and we often misremember events or fabricate memories entirely. In this episode, host Samantha Laine Perfas talks with science researcher Dan Schacter, Alzheimer’s expert Margaret O’Connor, and neuroscientist Venki Murthy about the science of memory – and how we can remember better.

Why you should give the Mediterranean diet a try 19.11.2025 25mnt

Many diets claim to be good for you. But the Mediterranean diet rises to the top with its research-proven benefits: it’s been shown to increase life expectancy; decrease risk for dementia; improve mental health and cognitive function; and lower the risk of heart disease for nearly every demographic. What is it that makes the diet so great? In this episode, host Samantha Laine Perfas discuss the Mediterranean diet with nutritional psychiatrist Uma Naidoo and Mediterranean diet expert Miguel Ángel Martínez-González about how people can make nutritional changes that work for them day to day.

Are you getting enough sleep? Probably not. 05.11.2025 31mnt

Sleep deprivation is a form of torture, yet we are depriving ourselves of quality sleep more than ever. Six out of 10 adults in the U.S. aren’t getting enough sleep, which leads to negative mood, low energy, poor cognitive function, and can even take years off your life. In this episode, host Samantha Laine Perfas talks with sleep scientist Rebecca Robbins, psychiatrist Tony Cunningham, and epidemiologist Matthew Weaver about why we should – and how to – get better sleep.

How to tell a story 22.10.2025 33mnt

Episode Summary: Storytelling is a huge part of the human experience. But how do you tell a good story? There are elements of craft to consider for sure, but for many authors, creativity comes from a place deep within themselves and looks different from writer to writer. In this episode, host Samantha Laine Perfas talks with literary critic James Wood, award-winning novelist Lauren Groff, short story writer Nick White, and playwright Sam Marks about their writing process.

Young people are facing increased cancer risk. Why? 08.10.2025 30mnt

People under 50 are experiencing higher risk of some cancers. While overall cancer rates are declining, the incidence of 14 cancer types have increased in younger people. Why? It could be related to lifestyle choices, environmental factors, or an individual’s genetics. In this episode, host Samantha Laine Perfas speaks with global cancer trend expert Tim Rebbeck, oncologist Kimmie Ng, and epidemiologist Tomotaka Ugai about how people under 50 can best mitigate their cancer risk.

Why are U.S. literacy rates declining? 24.09.2025 25mnt

Literacy rates in the U.S. have been in decline for a while now. Experts are combing the data for answers. Researchers are examining the role of curricula, teacher training, and classroom best practices to figure out: How do we help our kids read better? In this episode, host Samantha Laine Perfas speaks with policy expert Martin West, teacher educator Pamela Mason, and reading researcher Phil Capin about how to best support our students.

Changing how we deal with change 11.12.2024 29mnt

Is it true that you can’t teach an old dog new tricks? Absolutely not; Research shows that people can and do make dramatic shifts at nearly every life stage. Sometimes that change is intentional and other times it happens without our awareness. In this episode, host Samantha Laine Perfas speaks with psychiatrist Bob Waldinger, educator Rick Weissbourd, and experimental psychologist Mahzarin Banaji about how embracing change can lead to a better life.

New frontiers in cancer care 20.11.2024 27mnt

It’s a new era in the fight against cancer. The disease still kills nearly 10 million people worldwide every year, but advances in genomic sequencing and artificial intelligence have ushered in a new era of research. Treatments can now be personalized to patients and someday we might even have vaccines that can prevent the disease altogether. In this episode, host Samantha Laine Perfas, cancer researcher Levi Garraway, radiologist Connie Lehman, and cell therapy expert Cathy Wu talk about how close we are to turning a corner on cancer.

The case for optimism 06.11.2024 30mnt

Things aren’t what they used to be: they’re actually better. Yet even though many measures show how much progress we’ve made, many people feel like things are worse than ever. How do we change this perspective? In this episode, host Samantha Laine Perfas speaks with positive psychologist Tal Ben-Shahar, global governance expert Jane Nelson, and evidence-based optimist Steven Pinker about choosing optimism.

Plastic in our blood? That’s a problem. 23.10.2024 28mnt

Our planet is filled with plastic. On average, we produce 430 million tons every year, most of which is used only for a short period of time and then discarded. But plastic isn’t just in the environment: it’s now in our bodies. Microplastics have been found in our bloodstreams, lungs, and other organs, and we’re only recently beginning to understand how this affects our health. In this episode, host Samantha Laine Perfas, cell biologist Don Ingber, environmental health scientist Mary Johnson, and nanomaterial researcher Philip Demokritou discuss our destructive relationship with plastic.

The case for a liberal arts education 09.10.2024 27mnt

College is expensive. Even with ramped-up financial aid efforts from universities, people are still trying to decide if tuition will lead to a smart return on their investment. Is a liberal arts education worth the price tag? In this episode, host Samantha Laine Perfas talks with economist David Deming, educator Nancy Hill, and philosophy Professor Susanna Siegel about how to make a liberal arts education attractive again.

Why school cellphone bans are spreading 25.09.2024 30mnt

Schools are banning cellphones. And some states and cities are passing legislation that restricts student phone use in the classroom. Both parents and students have pushed back, yet schools say the removal of phones eliminates distractions and fosters face-to-face interactions that students themselves have come to appreciate. In this episode, host Samantha Laine Perfas talks with psychologist Laurie Santos, private school administrator Joy McGrath, and psychiatrist Susan Linn about what it would look like to take phones out of classrooms.