Explained: Season 2 (2019)

Episodes

1. 

   Episode 1 · September 26, 2019 · 23m

   Cults

   How do cults lure people in and exert control? Learn a cult’s telltale signs, and how loneliness and life online makes indoctrination easier than ever.

   7.3
2. 

   Episode 2 · October 3, 2019 · 16m

   Billionaires

   There are more billionaires than ever. But how does this vast accumulation of wealth affect the world? Mark Cuban and Bernie Sanders offer insights.

   7.8
3. 

   Episode 3 · October 10, 2019 · 23m

   Animal Intelligence

   What goes on inside an animal's mind? Figuring out how they think and feel might just be the key to understanding our own place in the world.

   7.6
4. 

   Episode 4 · October 17, 2019 · 20m

   Athleisure

   It began with bloomers. Then came spandex. Now we sport leggings and other activewear everywhere. How did comfy, casual clothing go mainstream?

   7.2
5. 

   Episode 5 · October 24, 2019 · 20m

   Coding

   Computer code now controls how we live. But how did these programming languages evolve? And how can they be used to build a new and better world?

   7.2
6. 

   Episode 6 · October 31, 2019 · 24m

   Pirates

   In pop culture, pirates are often depicted as booty-looting rogues, but their history is far more complicated. See how they became enemies of humanity.

   7.5
7. 

   Episode 7 · November 7, 2019 · 16m

   The Next Pandemic

   If you're not worried about a looming global pandemic, you probably should be. Are we prepared for an outbreak? Bill Gates and other experts weigh in.

   8.5
8. 

   Episode 8 · November 14, 2019 · 22m

   The Future of Meat

   The planet's current rate of meat consumption is unprecedented -- and becoming unsustainable. In the future, will meat alternatives be the answer?

   8.2
9. 

   Episode 9 · November 21, 2019 · 23m

   Beauty

   Beauty may be in the eye of the beholder, but what exactly makes things such as art and architecture aesthetically pleasing, and why do we like looking?

   7.0
10. 

    Episode 10 · November 28, 2019 · 25m

    Diamonds

    A diamond is forever. But why is that? Dig into how these mined pieces of carbon became both a status symbol and a sparkly sign of everlasting love.

    7.0