If a diverse workforce makes a better company, why don't more businesses hire internationally? Innovation and migration strategist Johann Daniel Harnoss details the advantage of global talent and how to best build the systems and culture to welcome immigrants to your staff.

Tapping into the transformational power of costume, concept artist Machine Dazzle takes us on a maximalist journey through art, history and fashion. From a jaw-droppingly intricate '60s bouffant ensemble to a 24-hour show of extravagant outfits, Dazzle shares pieces that channel unrealized dreams, urging us all to fully embrace the beautiful complexity of being ourselves.

How can we move past society's inclination to box people in with binary thinking and labels? Social work professor Jioji Ravulo believes we need to embrace multiplicity, exploring how Indigenous perspectives can help create more welcoming, collective communities for everyone.

Is there a way to give back that benefits everyone? Citing the success of collective giving practices from around the world, philanthropic advisor Rebecca Darwent asks donors to let communities lead decision-making, ushering in a new era of philanthropy that's rooted in interconnected humanity.

In an astonishing talk and tech demo, neurotechnologist Conor Russomanno shares his work building brain-computer interfaces that could enable us to control the external world with our minds. He discusses the quickly advancing possibilities of this field -- including the promise of a "closed-loop system" that could both record and stimulate brain activity -- and invites neurohacker Christian Bayerlein onto the TED stage to fly a mind-controlled drone by using a biosensing headset.

Why do we prioritize human rights over those of other species? Philosopher Peter Singer dives into what he calls "speciesism," the root of the widely ignored mistreatment of animals around the world, from factory farms to product-testing facilities. He makes the case for ending the commercial exploitation of animals for food and invites everyone to reexamine the environmental and moral weight of the status quo. This conversation, hosted by head of TED Chris Anderson, was part of an exclusive TED Membership event. Visit ted.com/membership to become a TED Member. (Warning: this conversation contains images of animal cruelty.)

Filmmaker Sahar Zand vividly explores the ongoing struggle women face at the hands of Iranian morality police -- like living as second-class citizens with no right to travel, divorce or wear their hair uncovered -- and points to new hope as protests against this unfair treatment continue across the country and around the world. She urges us all to stand in solidarity with the fight for "Woman, Life, Freedom" and shows why hope is so dangerous to authoritarian regimes.

Why is good news so rare? In a special broadcast from the TED stage, journalist Angus Hervey sheds light on some of the incredible progress humanity has made across environmental protection, public health and more in the last year, making the case that if we want to change the story of humanity this century, we have to start changing the stories we tell ourselves. "When we only tell the stories of doom, we fail to see the stories of possibility," says Hervey.

Sheryl Lee Ralph is a force, delivering iconic performances both on stage and screen. But she didn't always know if she'd make it big. In a lively talk sparkling with actionable advice, she shares how her struggles taught her what it takes to believe in herself -- and how we can all find the self-confidence to keep moving forward.

Do you feel overwhelmed by the complex issues facing our world, not to mention your own personal problems? Spirituality is the key to staying grounded and hopeful -- even for skeptics, says actor and author Rainn Wilson. He explains why it's time for all of us to experience a spiritual shake-up and outlines two paths to tap into your innate wisdom, kindness and strength. The work begins within yourself. (This conversation, hosted by TED's Carla Zanoni, was part of an exclusive TED Membership event. Visit ted.com/membership to become a TED Member.)