From bullying to hate crimes, cruelty is all around us. So what makes us hate? And is it learned or innate? This hour, TED speakers explore the causes and consequences of hate - and how we can fight it. Guests include reformed white nationalist Christian Picciolini, CNN commentator Sally Kohn, podcast host Dylan Marron, and writer Anand Giridharadas.

Many of us are lured by the promise of self-improvement, but find it hard to follow through. In our 100th episode, TED speakers reveal ways to discover our better selves, from simple hacks to deep introspection. TED speakers include entrepeneur Jia Jang, Headspace co-founder Andy Puddicombe, psychologist Emily Balcetis, technologist Matt Cutts, and New York Times columnist David Brooks.

Love it or hate it, most of us have to work for a living. So, how can we make work more meaningful? This hour, TED speakers explore our values and motivations when it comes to the workplace. (Original broadcast date: October 10, 2015).

What makes us who we are? How do parents mold children into who they are? In this hour, TED speakers reflect on how our upbringing shapes us. (Original broadcast date: August 1, 2014).

How does money motivate, trick, satisfy and disappoint us? In this hour, TED speakers share insights into our relationship with money. (Original broadcast date: April 4, 2014)

Sinful behavior is human, and nearly impossible to avoid. In this hour, TED speakers talk about the guilty pleasure of behaving badly and the challenge of confronting sin - and avoiding it. (Original broadcast date: February 6, 2015)

Is leadership only reserved for the extraordinary few? Who has what it takes to disrupt the status quo? In this hour, TED speakers share ideas about what it takes to forge a new path. (Original broadcast date: January 17, 2014)

When we go online, we present a digital version of ourselves. How do we transform when we interact inside our screens? In this episode, TED speakers explore the expanding role of our "second selves".

Listening - to loved ones, strangers, faraway places - is an act of generosity and a source of discovery. In this episode, TED speakers describe how we change when we listen deeply.

Humans need food, sleep, safety, love, purpose. Psychologist Abraham Maslow ordered our needs into a hierarchy. This week, TED speakers explore that spectrum of need, from primal to profound.

Even the most original ideas are essentially remixes. When is copying flattery, when is it thievery, and when is it sheer genius? In this hour, TED speakers explore how sampling, borrowing, and riffing make all of us innovators. Sampling music isn't about "hijacking nostalgia wholesale," says DJ Mark Ronson. It's about inserting yourself into the narrative of a song while pushing that story forward. Filmmaker Kirby Ferguson says nothing is original and that our most celebrated creators steal ideas - and transform them into something new. Clothing designs aren't protected by copyright - and the industry benefits by being more innovative, says Johanna Blakley. People often credit their ideas to individual "Eureka!" moments. But writer Steven Johnson shows how history tells a different story.

Brands help us assign value to almost everything we buy. But is there a way to know the difference between real and created value? In this episode, TED speakers explore the seductive power of brands. Filmmaker Morgan Spurlock tells the story of his quest to make a completely sponsored film - about sponsorship. Psychologist Paul Bloom argues that our beliefs about the history of an object change how we perceive it. Consultant Joseph Pine says we'll pay more for an experience that feels "real." Marketer Rory Sutherland explains how rebranding changed the potato forever.

Success has become synonymous with financial wealth, influence and status. But can we define success in another way - one that welcomes a broader range of accomplishment? It may not be as obvious as you think. In this hour, TED speakers share ideas for what makes us successful. Life coach Tony Robbins describes why failure should not be an option. Psychologist Angela Lee Duckworth says "grit", not IQ, is the new predictor of success. Mike Rowe encourages us not to follow our passion. Ron Gutman shares some compelling research on the hidden power of smiling. And writer Alain de Botton shares a fascinating view about the American paradigm for success and failure.