How you can help map the world's most vulnerable places | Rebecca Firth
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
Love Letters To Strangers | Hannah Brencher
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
When is a pandemic over? | Alex Rosenthal
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 silence can teach you about sound | Dallas Taylor
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
3 questions to ask yourself about US citizenship | Jose Antonio Vargas
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
Let's scan the whole planet with LiDAR | Chris Fisher
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
How every movie trailer gets made | Twenty Thousand Hertz
"In a world" -- our world -- movie trailers have undergone a massive evolution. The booming voice-of-God narration of the '80s and '90s has been silenced in favor of boojes and bwaas. In this episode ...
7 Aug 202022min
The secrets of learning a new language | Lydia Machova
Want to learn a new language but feel daunted or unsure where to begin? You don't need some special talent or a "language gene," says Lýdia Machová. In an upbeat, inspiring talk, she reveals the secre...
5 Aug 202011min
