
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

How to raise a black son in America | Clint Smith
As kids, we all get advice from parents and teachers that seems strange, even confusing. This was crystallized one night for a young Clint Smith, who was playing with water guns in a dark parking lot ...
4 Aug 20205min

A stock market for social justice | ZigZag
On this episode of ZigZag, host Manoush Zomorodi is joined by Eric Ries, who went from writing Silicon Valley's bible to building a stock market for social justice. Together, they examine why quarterl...
3 Aug 202039min





















