Season 1

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  7.4/10614 votes

  The Racial Wealth Gap

  Season 1 Episode 1 - Aired 5/23/2018

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

  Director: Unknown

  Writer: Unknown

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  7.7/10522 votes

  Designer DNA

  Season 1 Episode 2 - Aired 5/23/2018

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

  Director: Unknown

  Writer: Unknown

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  7.2/10582 votes

  Monogamy

  Season 1 Episode 3 - Aired 5/23/2018

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

  Director: Unknown

  Writer: Unknown

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  6.6/10452 votes

  K-Pop

  Season 1 Episode 4 - Aired 5/30/2018

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

  Director: Unknown

  Writer: Unknown

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  7.0/10483 votes

  Cryptocurrency

  Season 1 Episode 5 - Aired 6/6/2018

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

  Director: Unknown

  Writer: Unknown

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  7.2/10463 votes

  Why Diets Fail

  Season 1 Episode 6 - Aired 6/13/2018

  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.

  Director: Unknown

  Writer: Unknown

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  7.2/10457 votes

  The Stock Market

  Season 1 Episode 7 - Aired 6/20/2018

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

  Director: Unknown

  Writer: Unknown

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  7.1/10402 votes

  eSports

  Season 1 Episode 8 - Aired 6/27/2018

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

  Director: Unknown

  Writer: Unknown

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  7.4/10425 votes

  Extraterrestrial Life

  Season 1 Episode 9 - Aired 7/4/2018

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

  Director: Unknown

  Writer: Unknown

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  7.1/10389 votes

  !

  Season 1 Episode 10 - Aired 7/11/2018

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

  Director: Unknown

  Writer: Unknown

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  7.0/10375 votes

  Cricket

  Season 1 Episode 11 - Aired 7/18/2018

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

  Director: Unknown

  Writer: Unknown

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  7.5/10426 votes

  Weed

  Season 1 Episode 12 - Aired 7/25/2018

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

  Director: Unknown

  Writer: Unknown

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  6.9/10390 votes

  Tattoo

  Season 1 Episode 13 - Aired 8/1/2018

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

  Director: Unknown

  Writer: Unknown

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  6.7/10432 votes

  Astrology

  Season 1 Episode 14 - Aired 8/8/2018

  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.

  Director: Unknown

  Writer: Unknown

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  7.6/10426 votes

  Can We Live Forever ?

  Season 1 Episode 15 - Aired 8/15/2018

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

  Director: Unknown

  Writer: Unknown

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  7.5/10525 votes

  The Female Orgasm

  Season 1 Episode 16 - Aired 8/22/2018

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

  Director: Unknown

  Writer: Unknown

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  7.0/10437 votes

  Political Correctness

  Season 1 Episode 17 - Aired 8/29/2018

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

  Director: Unknown

  Writer: Unknown

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  7.3/10498 votes

  Why Women Are Paid Less

  Season 1 Episode 18 - Aired 9/5/2018

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

  Director: Unknown

  Writer: Unknown

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  8.2/10515 votes

  The World's Water Crisis

  Season 1 Episode 19 - Aired 9/12/2018

  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?

  Director: Unknown

  Writer: Unknown

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  7.4/10525 votes

  Music

  Season 1 Episode 20 - Aired 9/19/2018

  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.

  Director: Unknown

  Writer: Unknown