Over the last decade, humanitarian organizations have digitized many of their systems, from registering refugees with biometric IDs to transporting cargo via drones. This has helped deliver aid around the world, but it's also brought new risks to the people it's meant to protect. Tech and human rights ethicist Aarathi Krishnan points to the dangers of digitization -- like sensitive data getting into the hands of the wrong people -- and lays out five ethical principles to help inform humanitarian tech innovation.

What does it take to build a legacy? Hip-hop artist Cordae tells how he went from mixtape-dropping high school kid to Grammy-nominated music star whose "Hi Level" mindset helps him achieve his dreams.

How does music shape us? Digital ethnomusicologist and TED Fellow Kyra Gaunt studies how Black girls can preserve the integrity of their own voices while listening, dancing and singing to pop songs largely engineered by men, often with lyrics that express anti-Black, patriarchal sentiments. In a quick, incisive talk, she shows how Black girls can disrupt the stereotypes and stigmas buried within this music and chart their own revolution in sound.

As the line between the physical and digital worlds blur, so does the line between real-world and virtual sports. Reframing our understanding of competition, data-driven technologist James Hodge explains how far esports (like virtual Formula 1 race car driving) have come in replicating the conditions of physical sports, making elite competition more accessible than ever before. "This really is the new era for play -- and it's open to everyone," he says.

"The world is a living tapestry ... As the weave of life is torn apart in one place, the threads unravel in another," says author and physics professor Vandana Singh, acknowledging humanity's interconnectedness with the planet -- and the uncertain future we face if we don't protect it. Reading an excerpt from her latest work of speculative fiction, Singh shares a hopeful vision for Earth's renewal.

A curious, quiet revolution of sound has taken over the internet. Physiologist Craig Richard explains the soothing brain science of Autonomous Sensory Meridian Response (ASMR), tracking its rise in popularity and why this fascinating phenomenon is so relaxing to millions of people around the world.

Growing up in the public eye, multi-hyphenate creator Bryce Dallas Howard experienced the familiar pressure to share her life with the world on social media. But with her mother's steadfast guidance, Howard learned to set personal boundaries and savor the beauty of private moments. In this personal talk, she draws on three generations of family wisdom to remind us that "a private life makes a public life worth living."

In the multitude of metaverses that exist there are infinite possibilities for inclusivity and creativity. Inviting us to craft our own digital universes, Minecraft's game director Agnes Larsson shares how the experience of building and sharing metaverses can foster dialogue, friendship and trust -- pointing to the meaningful impact virtual worlds can have on the real world.

How do you navigate life's growing number of transitions with meaning, purpose and skill? Writer Bruce Feiler offers a powerful way to handle uncertain, painful and confusing times -- or "lifequakes", as he calls them. Learn how to equip yourself with the essential tools and mindset to ride out (and rewrite) the toughest chapters of your life story, and turn unease and upheaval into growth and renewal.

What if you could control digital devices using just the power of thought? That's the incredible promise behind the Stentrode -- an implantable brain-computer interface that collects and wirelessly transmits information directly from the brain, without the need for open surgery. Neurotech entrepreneur Tom Oxley describes the intricacies of this breakthrough technology, which is currently enrolling participants in human trials, as well as how it could help restore dignity to those with disabilities -- and transform the future of communication.