Cory Booker and others discuss how slavery, housing discrimination and centuries of inequality have compounded to create a racial wealth gap.
Guest Stars:
Mehrsa Baradaran, Cory Booker, Thomas Shapiro, Beth Jacobson, James Baldwin
Scientific feat or terrifying social experiment? Specialists in the field discuss the high stakes and ethical controversies of gene editing.
Guest Stars:
Joss Fong, Neville Sanjana, Jennifer Doudna, John Evans, Hank Greely
What do biology, human history and the promiscuity of bonobos reveal about monogamy? Experts and everyday couples weigh in on shifting cultural norms.
Guest Stars:
Maria Bello
Elaborate music videos, adoring fans, killer choreography. Learn about the global music phenomenon from South Korea that goes beyond "Gangnam Style."
Guest Stars:
Estelle Caswell, Tablo, Jimin, Suga, V
Cryptocurrency has made people billionaires, but is digital cash the next revolution? Learn about this anonymous currency and how it's coveted.
Guest Stars:
Christian Slater
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.
Guest Stars:
Maria Bello
Does the stock market accurately reflect the status of the economy? Finance specialists discuss market history, valuations and CEO incentives.
Guest Stars:
Estelle Caswell, Andrew Carnegie, Warren Buffett, John D. Rockefeller, Cornelius Vanderbilt
Is fake violence a sport? Fans, shoutcasters, and eSports icons break down today's video games and the explosive popularity of competitive gaming.
Guest Stars:
Estelle Caswell
Despite decades of searching, we have yet to discover extraterrestrial life. Scientists discuss the reasons, including: Are aliens just too snobby?
Guest Stars:
LeVar Burton
Do we overuse exclamation points!? Linguists and copy editors look at how the punctuation has adapted across history, literature and internet-speak.
Guest Stars:
Nick Kroll
Cricket experts look at how the confusing sport became so popular and discuss its evolution in becoming more accessible entertaining and profitable.
Guest Stars:
Aasif Mandvi
Marijuana experts discuss the rise of potent "sexually frustrated" cannabis plants, the quests for consistency in weed strains and the history of hemp.
Guest Stars:
Kevin Smith
They've been used to command respect, punish criminals and mark achievements. Tattooists speak about the origins of tattoo traditions and rituals.
Guest Stars:
Coleman Lowndes
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.
Guest Stars:
Yara Shahidi
Can we uncover the secrets to extending the human lifespan? Experts discuss how developments in science -- even the French lilac -- hold some clues.
Guest Stars:
Kristen Bell, Barack Obama
The female orgasm is more elusive when a man is involved. Discover the reasons why and how women are embracing hands on solutions.
Guest Stars:
Rachel Bloom
Political correctness can sometimes feel like a tug-of-war between inclusivity and free speech. Experts discuss the concepts behind the fraught term.
Guest Stars:
Jerry Springer, Anderson Cooper, Mike Wallace, George H. W. Bush, Donald Trump
Hillary Clinton and Anne-Marie Slaughter discuss the cultural norms at the center of the worldwide gender pay gap, including the "motherhood penalty."
Guest Stars:
Rachel McAdams, Hillary Clinton, Valentine Rugwabiza, Elizabeth Warren, Kirsten Gillibrand
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?
Guest Stars:
Kyle MacLachlan