Videos

Michael Pollan explains what goes on during the mental fireworks of a psychedelic experience.

Former president of the ACLU Nadine Strossen discusses whether our society should always defend free speech rights, even for groups who would oppose such rights.

How do you do justice to the truth in a headline-driven world?

Not every part of a satellite burns up in reentry. Considering the growing number of satellites in orbital space, that’s a big problem.

Technology may soon grant us immortality, in a sense. Here’s how.

A passenger on a California freeway shot a video of a Tesla driver dozing off at the wheel.

By working together, and learning from one another, we can build better systems.

The periodic table was a lot simpler at the beginning of the universe.

Here’s why generalists triumph over specialists in the new era of innovation.

We may not learn and grow beyond the #MeToo era if we keep thinking in black and white, says comedian Pete Holmes.

Eli Pariser explains why we can’t just think of civility as being polite to one another.

Bernie speaks again about what democratic socialism means, and raises a debate about what freedom is.

Jonathan Rauch explains why the internet is so hostile to the truth, and what we can do to change that.

The lack of it can also be a problem.

Expect emotional warfare where there are high-conflict people.

Why did government officials stop psychedelics from reaching mainstream culture?

300 years of industrialization have boosted our IQ scores in one very specific way.

We are hurtling through space. But where are we going?

Here’s how we can use the concept of “impact impression” for criminal reform.

Templeton Prize winner Marcelo Gleiser on knowledge, the endless frontier.

When should you censor yourself, and when should you speak up? Emily Chamlee-Wright explains moral philosopher Adam Smith’s ‘impartial spectator’.

This MIT robot solves it faster than any human ever could. It’s a world record.

Rote memorization doesn’t cut it for theoretical physicist Michio Kaku. Here’s why.

When it comes to leadership, we’re quite picky on who we let govern us.

Are we witnessing the end of democracy in America?

Humans are hardwired to believe in nonsense, says Michio Kaku. So what can we do about it?

It will take a crack team of scientists, programmers and philosophers to cure the online hate pandemic.

Black holes may give us a glimpse of the underlying nature of reality.

Many of us don’t fit perfectly into existing social narratives. But we can still find our own way.

Depression is quicksand, says comedian Pete Holmes. Try this method to help you cope and live with depression.