Explained

Sugar

Jul 16, 202124 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?

Royalty

Jul 23, 202124 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.

Flags

Jul 30, 202122 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.

Dogs

Aug 6, 202123 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.

The End of Oil

Aug 13, 20216.821 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?

Chess

Aug 20, 202123 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?