
The problem of light pollution -- and 5 ridiculously easy ways to fix it | Kelsey Johnson
Ever gaze up at the starry night sky? This stunning view is at risk of disappearing -- unless we act now, says astrophysicist Kelsey Johnson. In this fascinating, unexpectedly funny talk, she explains...
4 Dec 201913min

Want to change the world? Learn the art of fundraising | Kara Logan Berlin
How do you raise money to get an idea off the ground, support a community, help change the world? Take a crash course on the secret art of successful fundraising with development strategist Kara Logan...
3 Dec 201916min

How I'm using biological data to tell better stories -- and spark social change | Heidi Boisvert
What kinds of stories move us to act? To answer this question, creative technologist Heidi Boisvert is measuring how people's brains and bodies unconsciously respond to different media. She shows how ...
2 Dec 20197min

A healthy economy should be designed to thrive, not growth | Kate Raworth
What would a sustainable, universally beneficial economy look like? "Like a doughnut," says Oxford economist Kate Raworth. In a stellar, eye-opening talk, she explains how we can move countries out of...
29 Nov 201916min

How smartphones really work | Cathy Mulzer
Ever wondered how your smartphone works? Take a journey down to the atomic level with scientist Cathy Mulzer, who reveals how almost every component of our high-powered devices exists thanks to chemis...
27 Nov 201913min

How you can use impostor syndrome to your benefit | Mike Cannon-Brookes
Have you ever doubted your abilities, feared you were going to be discovered as a "fraud"? That's called "impostor syndrome," and you're definitely not alone in feeling it, says entrepreneur and CEO M...
26 Nov 201913min

3 questions we should ask about nuclear weapons | Emma Belcher
There are more than 10,000 nuclear weapons in existence today, each one capable of causing immense destruction. Why don't we talk about this threat as much as some other major issues? In this practica...
25 Nov 201912min

The search for our solar system's ninth planet | Mike Brown
Could the strange orbits of small, distant objects in our solar system lead us to a big discovery? Planetary astronomer Mike Brown proposes the existence of a new, giant planet lurking in the far reac...
22 Nov 201913min






















