"We've sent out one or two little messages, but we certainly aren't investing billions of dollars shouting out into the cosmos saying, "Hey, we are here. Come say hi.""

The ocean is evolving, and it’s not based on the ‘survival of the fittest.’ Astrobiologist Betül Kaçar explains how it’s not competition that has kept the ocean alive, but collaboration.

"Virtually everything we're taught about sexuality for the first two decades of our lives is wrong."

"It's a very, very beautiful calculation, but it's the best example I know of the relationship between these rather abstract quantities perhaps and something that you can look at in a telescope."

According to philosopher Meghan Sullivan, effective altruism may overlook the moral importance of seeing others as individuals. She explains how love should guide how we care for both present and future humans.

“Fraud never sleeps. It's really a global problem. Fraud is a trillion dollar problem, about $5 trillion today, with that number increasingly rising annually.”

"You can't possibly exaggerate how much better it is to live in a peaceful, orderly society, and to be wealthy, and healthy, and surrounded by people who you love."

Rediscovering competition in an unexpected place helped her rewrite what was possible — and go on to win gold.

“CIA classifies their secrets according to different terminology. There's confidential secrets, there are secret level secrets, and then there are top secret secrets. And the way that they define each of these different levels actually has to do with the impact that would occur if the secret became public knowledge.”

We may be close to finding life beyond Earth. But would we even recognize it if we did? Astrobiologist Betül Kaçar explains what signs NASA is looking for.

“We know that as little as 10 minutes of walking can improve your mood, that is getting that bubble bath with the dopamine, serotonin, endorphins going, anybody can do that.”

From the printing press to the internet, every technological revolution in history has reshaped human thought. Now, with AI accelerating by the day, philosopher Meghan Sullivan asks: Are we ready for the philosophical shift that must follow?

Why do we fall in love with one person over another? The late biological anthropologist Dr. Helen Fisher unpacks the evolutionary roots of romantic love, sex, and attachment.  Using research […]

"If we did create beings that were more like non-human animals, we ought to treat them much better than we now treat non-human animals."

“You might as well go for it. You might as well do the thing that you dream about doing for heaven's sake.”

“You can debate all sorts of things about how the texture of American life has changed. What you can't debate is the sheer, objective, existential fact that Americans are more alone than ever.”

These microbes endured the unlivable. The NASA astrobiologist who studies them reveals what that means for us today

"If we're related to every living thing on the planet, do we not have a special responsibility for every living thing on this planet? They are really all our relatives."

“When you think about this interconnection of all these tiny causes and effects which add up to the way the world unfolds, it becomes impossible to imagine that we have complete control.”

Psychiatrist Dr. Bessel van der Kolk discusses key methods for rewiring the brain, kickstarting the healing process, and opening your mind to new perspectives.