Explained Season 3
S03 E01Jul 16, 2021
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?
S03 E02Jul 23, 2021
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.
S03 E03Jul 30, 2021
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.
S03 E04Aug 6, 2021
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.
S03 E05Aug 13, 2021
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?
S03 E06Aug 20, 2021
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?
S03 E07Aug 27, 2021
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.
S03 E08Sep 3, 2021
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?
S03 E09Sep 10, 2021
Hurricanes Sep 10, 2021 As the planet warms, hurricanes could become even more dangerous and destructive.
S03 E10Sep 17, 2021
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.
S03 E11Sep 24, 2021
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?
S03 E12Oct 1, 2021
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?
S03 E13Oct 8, 2021
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?
S03 E14Oct 15, 2021
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.