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Season 3 · 14 episodes · Jul 16, 2021

  1. Explained season 3 episode 1 still

    Episode 1

    Sugar

    Jul 16, 2021

    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?

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    Episode 2

    Royalty

    Jul 23, 2021

    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.

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    Episode 3

    Flags

    Jul 30, 2021

    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.

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    Episode 4

    Dogs

    Aug 6, 2021

    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.

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    Episode 5

    The End of Oil

    Aug 13, 2021

    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?

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    Episode 6

    Chess

    Aug 20, 2021

    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?

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    Episode 7

    Your Skin

    Aug 27, 2021

    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.

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    Episode 8

    Apologies

    Sep 3, 2021

    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?

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    Episode 9

    Hurricanes

    Sep 10, 2021

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

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    Episode 10

    Plastic Surgery

    Sep 17, 2021

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

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    Episode 11

    Dance Crazes

    Sep 24, 2021

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

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    Episode 12

    Time

    Oct 1, 2021

    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?

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    Episode 13

    Country Music

    Oct 8, 2021

    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?

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    Episode 14

    Fairy Tales

    Oct 15, 2021

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