How I learned to read -- and trade stocks -- in prison | Curtis "Wall Street" Carroll

From mourning orcas to distressed elephants, biological anthropologist Barbara J. King has witnessed grief and love across the animal kingdom. In this eye-opening talk, she explains the evidence behin...

19 Aug 202014min

Everyone should participate in decision-making and politics -- and it starts at home, says activist Hajer Sharief. She introduces a simple yet transformative idea: that parents can teach their childre...

18 Aug 202011min

Want to help map the world? Community builder Rebecca Firth explains how the Humanitarian OpenStreetMap Team (HOT) is using open-source software powered by volunteers to put one billion people on the ...

17 Aug 20208min

Hannah Brencher's mother always wrote her letters. So when she felt herself bottom into depression after college, she did what felt natural -- she wrote love letters and left them for strangers to fin...

14 Aug 20205min

Consider the following scenario: a highly infectious, sometimes deadly respiratory virus infects humans for the first time. It spreads rapidly worldwide, and the WHO declares a pandemic. The death tol...

13 Aug 20206min

What can you hear in silence? In this exploration of sound, host of the podcast "Twenty Thousand Hertz" Dallas Taylor tells the story of arguably the most debated musical composition in recent history...

12 Aug 202010min

At age 16, journalist and filmmaker Jose Antonio Vargas found out he was in the United States illegally. Since then, he’s been thinking deeply about immigration and what it means to be a US citizen --...

11 Aug 20209min

We have archives of films, newspapers, even seeds -- what if we could make one for the entire surface of the earth? Drawing on his experience mapping an ancient city in the Honduran jungle, archaeolog...

10 Aug 202013min