Season 3

(2021)

Cast

July 16, 2021

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

July 23, 2021

How do monarchies survive when they no longer wield power? By presenting a royal fairy tale that may not reflect the re…

July 30, 2021

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

August 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 …

August 13, 2021

Oil led to huge advancements - and vast inequities. As the planet warms, why is it so hard to turn away from fossil fue…

August 20, 2021

For centuries, chess has captured hearts and minds — and pawns — and it's more popular than ever. What makes this ever-…

August 27, 2021

Don’t panic, but our skin plays host to trillions of bacteria, fungi, mites and other microscopic guests. Go beyond ski…

September 3, 2021

Apologizing is tough, and in this era of public mea culpas, forgiveness isn't guaranteed. What makes for a good apology…

September 10, 2021

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

September 17, 2021

The Instagram face. A shapely posterior. Cosmetic surgery can make the latest beauty trends a reality. Explore its orig…

September 24, 2021

From the waltz to voguing, dance crazes have connected people throughout history. But when a dance catches on, who gets…

October 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…

October 8, 2021

Dirt roads. Pickup trucks. Hip-hop? As the borders around country music shift, who decides what defines the popular gen…

October 15, 2021

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