S01E01 The Racial Wealth Gap
Cory Booker and others discuss how slavery, housing discrimination and centuries of inequality have compounded to create a racial wealth gap.
Explained
S01E17: Political Correctness
Political correctness can sometimes feel like a tug-of-war between inclusivity and free speech. Experts discuss the concepts behind the fraught term.
Overview
This documentary series, made in partnership with Vox, explain some of the world's current trends, from politics, to science to pop culture.
Episodes
S01E02 Designer DNA
Scientific feat or terrifying social experiment? Specialists in the field discuss the high stakes and ethical controversies of gene editing.
S01E03 Monogamy
What do biology, human history and the promiscuity of bonobos reveal about monogamy? Experts and everyday couples weigh in on shifting cultural norms.
S01E04 K-Pop
Elaborate music videos, adoring fans, killer choreography. Learn about the global music phenomenon from South Korea that goes beyond "Gangnam Style."
S01E05 Cryptocurrency
Cryptocurrency has made people billionaires, but is digital cash the next revolution? Learn about this anonymous currency and how it's coveted.
S01E06 Why Diets Fail
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.
S01E07 The Stock Market
Does the stock market accurately reflect the status of the economy? Finance specialists discuss market history, valuations and CEO incentives.
S01E08 eSports
Is fake violence a sport? Fans, shoutcasters, and eSports icons break down today's video games and the explosive popularity of competitive gaming.
S01E09 Extraterrestrial Life
Despite decades of searching, we have yet to discover extraterrestrial life. Scientists discuss the reasons, including: Are aliens just too snobby?
S01E10 !
Do we overuse exclamation points!? Linguists and copy editors look at how the punctuation has adapted across history, literature and internet-speak.
S01E11 Cricket
Cricket experts look at how the confusing sport became so popular and discuss its evolution in becoming more accessible entertaining and profitable.
S01E12 Weed
Marijuana experts discuss the rise of potent "sexually frustrated" cannabis plants, the quests for consistency in weed strains and the history of hemp.
S01E13 Tattoo
They've been used to command respect, punish criminals and mark achievements. Tattooists speak about the origins of tattoo traditions and rituals.
S01E14 Astrology
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.
S01E15 Can We Live Forever ?
Can we uncover the secrets to extending the human lifespan? Experts discuss how developments in science -- even the French lilac -- hold some clues.
S01E16 The Female Orgasm
The female orgasm is more elusive when a man is involved. Discover the reasons why and how women are embracing hands on solutions.
S01E17 Political Correctness
Political correctness can sometimes feel like a tug-of-war between inclusivity and free speech. Experts discuss the concepts behind the fraught term.
S01E18 Why Women Are Paid Less
Hillary Clinton and Anne-Marie Slaughter discuss the cultural norms at the center of the worldwide gender pay gap, including the "motherhood penalty."
S01E19 The World's Water Crisis
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?
S01E20 Music
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.
