1The Racial Wealth Gap
May 23, 201816 min
Cory Booker and others discuss how slavery, housing discrimination and centuries of inequality have compounded to create a racial wealth gap.
2Designer DNA
May 23, 201817 min
Scientific feat or terrifying social experiment? Specialists in the field discuss the high stakes and ethical controversies of gene editing.
3Monogamy
May 23, 201818 min
What do biology, human history and the promiscuity of bonobos reveal about monogamy? Experts and everyday couples weigh in on shifting cultural norms.
4K-Pop
May 30, 201820 min
Elaborate music videos, adoring fans, killer choreography. Learn about the global music phenomenon from South Korea that goes beyond "Gangnam Style."
5Cryptocurrency
Jun 6, 201814 min
Cryptocurrency has made people billionaires, but is digital cash the next revolution? Learn about this anonymous currency and how it's coveted.
6Why Diets Fail
Jun 13, 201814 min
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.
7The Stock Market
Jun 20, 201817 min
Does the stock market accurately reflect the status of the economy? Finance specialists discuss market history, valuations and CEO incentives.
8eSports
Jun 27, 201817 min
Is fake violence a sport? Fans, shoutcasters, and eSports icons break down today's video games and the explosive popularity of competitive gaming.
9Extraterrestrial Life
Jul 4, 201818 min
Despite decades of searching, we have yet to discover extraterrestrial life. Scientists discuss the reasons, including: Are aliens just too snobby?
10!
Jul 11, 201815 min
Do we overuse exclamation points!? Linguists and copy editors look at how the punctuation has adapted across history, literature and internet-speak.
11Cricket
Jul 18, 201816 min
Cricket experts look at how the confusing sport became so popular and discuss its evolution in becoming more accessible entertaining and profitable.
12Weed
Jul 25, 201820 min
Marijuana experts discuss the rise of potent "sexually frustrated" cannabis plants, the quests for consistency in weed strains and the history of hemp.
13Tattoo
Aug 1, 201818 min
They've been used to command respect, punish criminals and mark achievements. Tattooists speak about the origins of tattoo traditions and rituals.
14Astrology
Aug 8, 201818 min
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.
15Can We Live Forever ?
Aug 15, 201818 min
Can we uncover the secrets to extending the human lifespan? Experts discuss how developments in science -- even the French lilac -- hold some clues.
16The Female Orgasm
Aug 22, 201818 min
The female orgasm is more elusive when a man is involved. Discover the reasons why and how women are embracing hands on solutions.
17Political Correctness
Aug 29, 201818 min
Political correctness can sometimes feel like a tug-of-war between inclusivity and free speech. Experts discuss the concepts behind the fraught term.
18Why Women Are Paid Less
Sep 5, 201818 min
Hillary Clinton and Anne-Marie Slaughter discuss the cultural norms at the center of the worldwide gender pay gap, including the "motherhood penalty."
19The World's Water Crisis
Sep 12, 201818 min
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?
20Music
Sep 19, 201819 min
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.