Lord Rees on “speculative physics," the limits of the observable universe, and more.

Former tennis pro James Blake makes a case for transparency in police departments.

If you can't stand the heat, get out of the kitchen. But if you're a Michelin Star chef with a restaurant to run, you're going to need a better coping strategy.

California prisons are about as off-off-off-off Broadway as it gets—but that's where the emotional tools of theatre can make the biggest difference to people's lives.rn

Primatologists and praying farmers show us why it takes a flexible brain, and many perspectives, to unlock truly groundbreaking science.

Humans are a programmable species, and we live inside the most ancient operating system of all — ideology.

Can computers be creative? Depends on whether you're asking it to write music or write a novel.

Can understanding science make pop culture better, and can understanding pop culture make science more interesting? Absolutely.

Jennifer Doudna, the CRISPR co-creator, says that the genie of genetic engineering might be hard to put back in the bottle.

Your brain stops at the most comforting thought. The truth is somewhere beyond that. Using scientific skepticism as a guide, astrophysicist Lawrence Krauss outlines the questions that critical thinkers ask themselves.

Once upon a time, hope meant confronting suffering, not avoiding it. Have overly sugary connotations about hope diminished its true grit?

Interest in learning certain skills, like computer science, can wax and wane with economic opportunity and job availability. But Gene Luen-Yang explains why it's a valuable skill in any season.

What people self-report about their sex lives can bear little relation to the truth. So how can the social status clinging to our conversations about sex be stripped away? Anonymous Google searches!

We can't seem to resist frequent rewards, which is why slot machines and social media are both so addictive. What's more, they're designed that way, purposefully, to keep you coming back.

How is the rights movement progressing for LGBTQ people? Initial progress was made more quickly than anyone imagined, but lingering inequalities continue to stunt that rapid growth.

Getting into an argument is easy. But getting out by having both sides see the other side? Not as impossible as you might think.

Racism is the acting out of biases learned as early as preschool, research shows. If racism starts at three years old, so should science-backed strategies to reduce it.

AI won't really resemble humanoids. Instead, AI will create a world that countries and large companies can live in.

Is creativity a wild and free state of mind, or is it actually a pattern that others just can't recognize?

Is race a trivial quality of humans, or of deep social importance? Who gets to decide whether race exists or not?