The free will versus determinism debate: major thinkers weigh in

Unlike quantum mechanics, classical physics suggests free will does not exist

Models based on Newton's laws of motion suggest all actions are predetermined and must follow specific trajectories and outcomes, such that everything that will ever occur in the future has already been set in motion by past causes. However, quantum mechanics challenges determinism because it is based on probability, where no outcome is certain.

Sartre believed those who deny their own freedom are operating in 'bad faith'

In "Existentialism is a Humanism," Sartre argues that humans are "condemned to be free"—they are not confined to a divine fate, which means they must take the responsibility of creating their own destinies. Those who reject this freedom, by his estimation, are living in "bad faith."

Will AI kill us all? A debate

As AI becomes a bigger part of our lives, what does that mean for the future of humanity? The podcast Entanglements hosts a pessimistic former OpenAI employee and an optimistic Princeton professor to discuss whether AI brings dystopia or a brighter future.

The debate on why humans are conscious—and what that means

Understanding what consciousness is, and why and how it evolved, is perhaps the greatest mystery known to science. Watch interviews with the world's leading experts on what it is and whether we'll ever know.

Ranking life's biggest decisions

Psychological research presents some unsurprising wisdom about how to make big decisions without regret: focus on people, don’t miss opportunities, and stay true to yourself.

A quote by award-winning actor Tom Hanks

"We are still in the position of waking up and having a choice. Do I make the world better today somehow, or do I not bother?"

Environmental determinism links human traits and societal progress to geography

Also known as climatic determinism, the theory states that the latitudes where people are located influence their emotional and intellectual capabilities. Originating in Ancient Greece, these ideas were used throughout history to justify racial hierarchies.

Nature versus nurture: Are you the result of your genes or your environment?

Dr. Nancy Segal breaks down how research on twins has revealed just how much our genes influence our behavior and traits—but insists they aren't everything. Catch up on the latest in the nature versus nurture debate.

How your subconscious influences your decisions

How much of your desires and daily choices are truly yours? One of the most effective ways to influence someone's subconscious is when they're asleep. To study this possibility, researchers trained participants to be able to dream lucidly, a phenomenon that occurs when a dreamer knows they're dreaming.

How we frame stress—as good or bad—seems to alter how it affects us

This podcast discusses research that indicates stress perception may drastically affect how we respond to it. In research exploring if our stress is presented as diminishing our health versus if we're told it enhances our performance, it will lead to differences in how successful participants are at performing tasks—with the enhancers doing better.

7 experts debate China's role in the future of the rules-based international order

This interactive feature showcases opposing arguments—from scholars who view China as a major threat to the order, to Chinese analyst Wu Xinbo's argument that China will shape the order's evolution rather than destroy it.

Is life all about pleasure? Debating the Experience Machine

If you could plug into an Experience Machine that gave you total pleasure all the time, would you do it? Philosopher Robert Nozick thinks you wouldn't, using this as evidence against hedonism, the view that life is all about pleasure. Explore the nuances of the argument and counterarguments with this accessible article.

Philosophers have debated the nature of time since at least the 6th century B.C.E.

Greek philosopher Parmenides of Elea was skeptical of time and reasoned that if it were real, then the present would emerge from nothing because the future did not yet exist. Just as the color red is our perception of a specific wavelength of light, others have suggested time is a psychological projection based on how we interpret the world.

This Harvard philosophy professor suggests we should rethink our relationship with animals

Christine Korsgaard, a professor of philosophy at Harvard, wrote a book arguing that humans are not more important than other animals and that we should improve our treatment of them. In her view, we have a duty to value the life of our fellow creatures not just for their utility, but for their existence as sentient and conscious beings.

John Steinbeck's philosophical ideas, which he often explored in his novels, wrestled with the role of the individual and the power of community.

Explore how free speech and justice coexist and sometimes clash

From the abolition of slavery to South African apartheid, this podcast explores how censorship has historically been used to suppress racial justice movements—and to promote them—and asks whether free speech is a foundation for, or a threat to, equality.

Hear why the Continental Congress decided to declare independence—and how the text took shape

In this episode of "Ben Franklin's World," historians Danielle Allen, Patrick Spero, and Peter Onuf examine why Congress pursued a declaration, how Congress chose the drafters, and how Jefferson, Adams, and Franklin shaped its language and Revolutionary intent.

Political science professors say dystopias are defined by government coercion

Shauna Shames and Amy Atchison, two political science professors and the authors of "Survive and Resist: The Definitive Guide to Dystopian Politics,” argue that defining a real-world dystopia depends on whether a government is using coercion to protect its citizens or to control them. Shames and Atchison seek to provide a more nuanced understanding of the word “dystopia,” one they note they began hearing more and more as the COVID-19 pandemic progressed.

Watch scholars debate Supreme Court term limits

In a debate from 2017, legal scholars from across the political spectrum spar over whether justices should serve fixed terms. The discussion highlights bipartisan concerns about judicial independence, accountability, and the risks of lifetime tenure.

'Everybody else is working to change, persuade, tempt and control them. The best readers come to fiction to be free of all that noise.'

- Author Philip Roth (1933-2018)

Before Dawkins, other biologists proposed the power of mutating ideas

Nobel Prize winner Jacques Monod proposed, “Ideas have retained some of the properties of organisms. Like them, they tend to perpetuate their structure and to breed; they too can fuse, recombine, segregate their content; indeed they too can evolve, and in this evolution selection must surely play an important role.”

John Maynard Keynes was one of the most influential economists of the 20th century

Keynes influenced economic thought by arguing that governments should spend to stabilize economies during downturns. His ideas shaped the postwar international order and remain central to modern economic policy debates.

Hear about the debate over free public transportation

Free public transit boosts economic opportunity and social mobility and is better for the environment. So why do we charge for it? Opponents of free transit cite revenue losses threatening service quality and data showing that free fares don't translate into reduced car use.

Critic Harold Bloom believed Shakespeare invented the modern human

Yale critic Harold Bloom believed the Bard transformed the way humanity understood itself, a thesis laid out in his book "Shakespeare: The Invention of the Human."

Hank Green on the problem with being a creator

YouTuber Hank Green takes over The Financial Diet's platform to talk about the creator economy. He walks the audience through the financial decisions involved when making content. He also describes brand deals, and who actually owns the content posted on social media platforms—the creator or the platform itself?

Existentialist writer Jean-Paul Sartre coined the famous phrase 'Hell is—other people' in his play 'No Exit'

Explore chaos in this simulation of two double pendulums, where small differences in the release angles produce wildly different outcomes.

Listen to an in-depth conversation on the links between Parkinson's disease and herbicide exposure and the challenging pace of scientific investigation.

The rivalry between Alexander Hamilton and Thomas Jefferson centered on federalism—the question of how much power the federal government should hold relative to the states.

After NASA's Voyager 1 captured Earth as a single pixel as it left the solar system in 1990, astronomer Carl Sagan used the image to reflect on humanity's fragility and the responsibility to protect 'the only world we've ever known.'

A Yale student wrote a profound essay about the consulting industry's influence on elite college students that was published in a book of her writing after she died in a post-graduation car accident.

Researchers believe the brain consolidates memories, processes emotions, and plans for the future during dream states

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

Play the role of a student in a game where you try to navigate college and remain debt-free, selecting different income levels, high school experience, race, ethnicity, and more.

While the sun's gravity keeps the planets in orbit, their gravity also pulls on the sun, causing it and everything else in the solar system to orbit around a mutual balance point called the barycenter—the true center of the solar system.

SpongeBob exemplifies Aristotle's philosophy for living well because he understands that happiness doesn't come from external factors like money, recognition, or power.

A vending machine run with Anthropic's AI went out of business after it was convinced to give away items for free and sell a video game console.

Netflix profits when you're not watching, and its movies are designed that way—read a detail-rich critical essay exposing lesser-known Netflix takes

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

Use this tool to calculate the dollar value of your parental mental load, from meal planning to coordinating after-school care, then see resources that help generate solutions.

Exploring the Larry Bird punch that almost changed March Madness

Famed poet TS Eliot rejected the manuscript for George Orwell's political fable 'Animal Farm,' writing that its criticism of authoritarianism was not 'the right point of view.'

How fusion—which releases energy when two lighter atoms combine to form a heavier atom—differs from fission

Explore a list of the 100 best novels of all time, compiled by some of the world's best living writers, including Salman Rushdie, Stephen King, and Jennifer Egan.

Apeirophobia is an overwhelming fear of living forever, perhaps stemming from the brain's inability to conceptualize an infinite life.

The Mona Lisa's celebrity status and repeated restorations have obscured what made the painting so revolutionary for its time

The first line of 'immortal' human cells, which can divide indefinitely and are used in scientific research, was nonconsensually taken from a Black woman.

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.