Should we create a solar shade to cool the earth? | Danny Hillis

How I use the drum to tell my story | Kasiva Mutua

The Standing Rock resistance and our fight for indigenous rights | Tara Houska

How a team of chefs fed Puerto Rico after Hurricane Maria | José Andrés

How language shapes the way we think | Lera Boroditsky

How the arts help homeless youth heal and build | Malika Whitley

How we need to remake the internet | Jaron Lanier

What if we ended the injustice of bail? | Robin Steinberg

What's missing in the global debate over refugees | Yasin Kakande

A printable, flexible, organic solar cell | Hannah Bürckstümmer