Season 3

1. 
   S03 E01

   Sugar

   16 Jul 2021 · 24 min

   Once crucial for survival, sugar now poses a health risk. Is there a way to satisfy our primeval craving for sweetness in a healthy, balanced way?

2. 
   S03 E02

   Royalty

   23 Jul 2021 · 24 min

   How do monarchies survive when they no longer wield power? By presenting a royal fairy tale that may not reflect the reality of the past — or present.

3. 
   S03 E03

   Flags

   30 Jul 2021 · 22 min

   A flag can unite, divide and terrorize. Explore how a piece of cloth transformed into a powerful symbol of both love and hate, freedom and oppression.

4. 
   S03 E04

   Dogs

   6 Aug 2021 · 23 min

   Who's a good dog? They all are! From puppy-dog eyes to feats of heroism, see how canines evolved into humankind's best friends and sources of pure love.

5. 
   S03 E05

   The End of Oil

   13 Aug 2021 · 21 min

   Oil led to huge advancements - and vast inequities. As the planet warms, why is it so hard to turn away from fossil fuels, and can it be done in time?

6. 
   S03 E06

   Chess

   20 Aug 2021 · 23 min

   For centuries, chess has captured hearts and minds — and pawns — and it's more popular than ever. What makes this ever-changing board game so special?

7. 
   S03 E07

   Your Skin

   27 Aug 2021 · 21 min

   Don’t panic, but our skin plays host to trillions of bacteria, fungi, mites and other microscopic guests. Go beyond skin-deep with our largest organ.

8. 
   S03 E08

   Apologies

   3 Sept 2021 · 22 min

   Apologizing is tough, and in this era of public mea culpas, forgiveness isn't guaranteed. What makes for a good apology, and why does it hold such power?

9. 
   S03 E09

   Hurricanes

   10 Sept 2021 · 23 min

   As the planet warms, hurricanes could become even more dangerous and destructive.

10. 
    S03 E10

    Plastic Surgery

    17 Sept 2021 · 24 min

    The Instagram face. A shapely posterior. Cosmetic surgery can make the latest beauty trends a reality. Explore its origins and effects, inside and out.

11. 
    S03 E11

    Dance Crazes

    24 Sept 2021 · 20 min

    From the waltz to voguing, dance crazes have connected people throughout history. But when a dance catches on, who gets the credit — and compensation?

12. 
    S03 E12

    Time

    1 Oct 2021 · 25 min

    Time flies… sometimes. Its passage can seem to speed up and slow down. Why do we experience time the way we do, and how do we take back some control?

13. 
    S03 E13

    Country Music

    8 Oct 2021 · 25 min

    Dirt roads. Pickup trucks. Hip-hop? As the borders around country music shift, who decides what defines the popular genre, and who gets to be a star?

14. 
    S03 E14

    Fairy Tales

    15 Oct 2021 · 24 min

    Fairy tales have survived thousands of years for a reason. Explore their far-flung history and how the stories speak to fundamental human concerns.

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