E1 - Sugar

Aired: July 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?

E2 - Royalty

Aired: July 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.

E3 - Flags

Aired: July 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.

E4 - Dogs

Aired: August 06, 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.

E5 - The End of Oil

Aired: 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 fuels, and can it be done in time?

E6 - Chess

Aired: August 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?

E7 - Your Skin

Aired: August 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.

E8 - Apologies

Aired: September 03, 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?

E9 - Hurricanes

Aired: September 10, 2021

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

E10 - Plastic Surgery

Aired: September 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.

E11 - Dance Crazes

Aired: September 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?

E12 - Time

Aired: October 01, 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?

E13 - Country Music

Aired: October 08, 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?

E14 - Fairy Tales

Aired: October 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.