Explained

E01

Episode 1

★ 7.6

The Racial Wealth Gap

2018-05-23 · 19m

Cory Booker and others discuss how slavery, housing discrimination and centuries of inequality have compounded to create a racial wealth gap.

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E02

Episode 2

★ 7.8

Designer DNA

2018-05-23 · 18m

Scientific feat or terrifying social experiment? Specialists in the field discuss the high stakes and ethical controversies of gene editing.

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E03

Episode 3

★ 6.2

Monogamy

2018-05-23 · 18m

What do biology, human history and the promiscuity of bonobos reveal about monogamy? Experts and everyday couples weigh in on shifting cultural norms.

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E04

Episode 4

★ 7.8

K-Pop

2018-05-30 · 18m

Elaborate music videos, adoring fans, killer choreography. Learn about the global music phenomenon from South Korea that goes beyond "Gangnam Style."

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E05

Episode 5

★ 7.5

Cryptocurrency

2018-06-06 · 18m

Cryptocurrency has made people billionaires, but is digital cash the next revolution? Learn about this anonymous currency and how it's coveted.

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E06

Episode 6

★ 7.4

Why Diets Fail

2018-06-13 · 18m

Atkins. Paleo. Keto. Do any work in the long term? Experts look at marketing, food environments and genes to explain why diets are often unsuccessful.

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E07

Episode 7

★ 6.8

The Stock Market

2018-06-20 · 18m

Does the stock market accurately reflect the status of the economy? Finance specialists discuss market history, valuations and CEO incentives.

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E08

Episode 8

★ 6.8

eSports

2018-06-27 · 18m

Is fake violence a sport? Fans, shoutcasters, and eSports icons break down today's video games and the explosive popularity of competitive gaming.

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E09

Episode 9

★ 7.0

Extraterrestrial Life

2018-07-04 · 20m

Despite decades of searching, we have yet to discover extraterrestrial life. Scientists discuss the reasons, including: Are aliens just too snobby?

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E10

Episode 10

★ 6.0

!

2018-07-11 · 16m

Do we overuse exclamation points!? Linguists and copy editors look at how the punctuation has adapted across history, literature and internet-speak.

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E11

Episode 11

★ 7.0

Cricket

2018-07-18 · 15m

Cricket experts look at how the confusing sport became so popular and discuss its evolution in becoming more accessible entertaining and profitable.

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E12

Episode 12

★ 7.5

Weed

2018-07-25 · 18m

Marijuana experts discuss the rise of potent "sexually frustrated" cannabis plants, the quests for consistency in weed strains and the history of hemp.

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E13

Episode 13

★ 7.2

Tattoo

2018-08-01 · 17m

They've been used to command respect, punish criminals and mark achievements. Tattooists speak about the origins of tattoo traditions and rituals.

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E14

Episode 14

★ 7.4

Astrology

2018-08-08 · 17m

Do zodiac signs prescribe your fate? Or do horoscopes' accuracy lie in the placebo effect? Take a look at the science, history and lure of astrology.

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E15

Episode 15

★ 7.5

Can We Live Forever ?

2018-08-15 · 14m

Can we uncover the secrets to extending the human lifespan? Experts discuss how developments in science -- even the French lilac -- hold some clues.

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E16

Episode 16

★ 7.0

The Female Orgasm

2018-08-22 · 14m

The female orgasm is more elusive when a man is involved. Discover the reasons why and how women are embracing hands on solutions.

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E17

Episode 17

★ 7.6

Political Correctness

2018-08-29 · 20m

Political correctness can sometimes feel like a tug-of-war between inclusivity and free speech. Experts discuss the concepts behind the fraught term.

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E18

Episode 18

★ 6.7

Why Women Are Paid Less

2018-09-05 · 18m

Hillary Clinton and Anne-Marie Slaughter discuss the cultural norms at the center of the worldwide gender pay gap, including the "motherhood penalty."

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E19

Episode 19

★ 8.5

The World's Water Crisis

2018-09-12 · 17m

The global water crisis is at an inflection point. How do we price our most valuable resource, while also ensuring access to it as a human right?

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E20

Episode 20

★ 7.2

Music

2018-09-19 · 16m

When does sound become music? Why are humans so uniquely able to master musicality? Researchers talk rhythm, octaves and the magic of song and dance.

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