Colonel Chris Hadfield talks to us about the formalities that astronauts have to use, and how it can help us here on earth.

The beautiful courtship rituals of the Club-winged Manakin leave both the male and the female worse off physically, says evolutionary ornithologist Richard O. Prum.

Economic concerns can take much of the sentimentality and romance out of marriage, says Judith Bruce, the senior associate and policy analyst at the Population Council.

What do you do when "gatekeeper" bosses say no to your great ideas? You go back and pitch them again, says Beth Comstock, former Vice Chair of GE.

The thing that Carl Sagan did better than anybody else was connecting to the science through emotion and stories, says NASA's Michelle Thaller.

How do you make yourself valuable in an ever-changing economy? You become well-rounded.

AI expert Ben Goertzel is no stranger to building out-of-this-world artificial intelligence, and he wants others to join him in this new and very exciting field.

There's a reason you can't stop you head boppin' to block-rockin' beats, and why you can't get a song's hook out of your head.

Want to hear a joke? Universities haven’t innovated in 400 years. At a time when close to half of all students aren't graduating, Dan Rosensweig explains why and how to fix this broken education system.

After a setback occurs, you have two choices: blame someone, or get wiser. Executive coach Alisa Cohn explains why a 'learning lab' is more productive than pointing fingers.

Venture capitalists do not invest in female and minority entrepreneurs in any significant way. Nathalie Molina Niño explains several viable fundraising alternatives that won't require founders to give up control of their companies.

Sky-high rent, second jobs, and wealth-worshipping 1% TV shows—journalist Alissa Quart explains how the American dream became a dystopia, and why it's so hard for middle-class Americans to get by.

The universe is a huge place, inconceivably vast. And it can make even the most brilliant minds feel very, very small.

Success isn't about finding one great way to achieve something and sticking with it. It's about looking at all the possible options and computing success through analysis.

World-renowned physicist Michio Kaku thinks that one day a cancer diagnosis will be far less scary than it is today.

The cult of the startup founder and our reverence for entrepreneurialism shouldn’t excuse wrongdoing, says Pulitzer Prize-winning investigative reporter John Carreyrou.

The former U.S. Secretary of Education Arne Duncan explains what it will take to reduce gun violence against kids.

As the technology of virtual reality improves, we are going to start spending more time and getting more emotional inside it, says VR filmmaker Danfung Dennis.

Free trade may be the best system for the global economy but there are legitimate reasons for why some people had enough of it, says political scientist Ian Bremmer.

What are the values most important to a company? MIT's innovation expert Michael Schrage shares his thoughts on how to approach Key Performance Indicators.