Pink
Justin Hartley comes by to drop some knowledge, Joel introduces a new DNA testing service, and the International Corner makes a stop in Uganda.
Pink
Justin Hartley comes by to drop some knowledge, Joel introduces a new DNA testing service, and the International Corner makes a stop in Uganda.
Back in the USA
Charles Manson's pen pal gets confrontational in an interview. Also, David prepares for the end of the world and visits an extreme haunted house.
Back in the USA
Charles Manson's pen pal gets confrontational in an interview. Also, David prepares for the end of the world and visits an extreme haunted house.
Africa
David attends a voodoo festival in Benin, visits an infamous area of Johannesburg and speaks with white South African separatists.
Nukes
They may be our worst creations. But Latif uncovers how nuclear bombs did some surprising good and visits those who ensure that they stop blowing up.
Nukes
They may be our worst creations. But Latif uncovers how nuclear bombs did some surprising good and visits those who ensure that they stop blowing up.
Clouds
A 19th-century shipwreck led to weather forecasting as we know it, and laid the groundwork for other predictive models as well as … well, the cloud.
Digits
Latif explores a law of numerical probability that applies to classical music, contemporary social media, tax fraud and perhaps the entire universe.
Dust
A speck of dust seems insignificant, but a swarm of it can do everything from generating oxygen to tempering hurricanes to fertilizing the rainforest.