What if the commonly accepted narratives about the foundation of civilization are all wrong? Drawing on groundbreaking research, archaeologist David Wengrow challenges traditional thinking about the social evolution of humanity -- from the invention of agriculture to the formation of cities and class systems -- and explains how rethinking history can radically change our perspective on inequality and modern life.

Before entering the world of financial journalism, Gillian Tett was a cultural anthropologist who studied how the past influences our present thoughts and behaviors. In an entertaining talk, she shows how you can use an anthropological outlook to see the world with fresh eyes -- and welcome new and different cultural truths into your life.

As digital assets like cryptocurrency and NFTs become more mainstream, design thinker and head of Instagram Adam Mosseri believes that creators are uniquely positioned to benefit. These blockchain-enabled technologies could remove the need for a "middleman" in the form of large social media platforms, allowing creators to more freely distribute their work and connect with their audiences. He explains how this new age of the internet will give way to "the greatest transfer of power from institutions to individuals in all time."

How do we define worth in society, and who gets status? Sociologist Michele Lamont studies these questions and investigates ways to broaden the circle of recognition and fight the harm of social stigmatization. She lays out the steps needed to make more inclusive societies -- and it all starts by expanding our idea of who matters.

After leading a well-established life as a pastor, father and husband, Paula Stone Williams could no longer deny her truth and transitioned. In this conversational and at times humorous reflection, Williams offers her perspective on the everyday experiences lost, gained and once taken for granted in her journey of trans womanhood.

"Every great and difficult thing has required a strong sense of optimism," says editor and author Kevin Kelly, who believes that we have a moral obligation to be optimistic. Tracing humanity's progress throughout history, he's observed that a positive outlook helps us solve problems and empowers us to forge a path forward. In this illuminating talk, he shares three reasons for optimism during challenging times, explaining how it can help us become better ancestors and create the world we want to see for ourselves and future generations.

"It is time for a gender reckoning, beginning with men authentically confronting our internal selves and each other," says essayist and intersectional justice advocate Jimmie Briggs. In this call to action for gender equity, he unpacks how traditional notions of masculinity harm society and offers three ways men can help promote personal safety, dignity and empowerment for all.

If you're wondering why blackface -- mimicking people of African descent via stereotypes and makeup-darkened skin -- is a big deal, then perhaps a little history lesson can help demystify the outcry. Dwan Reece, curator at the National Museum of African American History and Culture, explains how this practice permeates the American psyche and culture (in theater, music, books and beyond) and why it's not simply harmless fun, but a legacy of oppression.

In an uproarious stand-up set, comedian Pardis Parker rails against a central tenet of modern culture: the "grind."

Without the internet, how would you have coped with the pandemic -- from work and school, to maintaining your closest relationships? In the digital age, reliance on the internet is so common and seems ubiquitous, yet billions of people worldwide still go without it. Digital transformation strategist Priscilla Chomba-Kinywa advocates for collective access to the opportunities and potential the internet provides, underscoring the necessity of free and fair digital rights for all.