Joseph Lekuton, a member of parliament in Kenya, starts with the story of his remarkable education, then offers a parable of how Africa can grow. His message of hope has never been more relevant.

In Kenya, a smartphone app called iCow tracks the health of cattle for thousands of farmers, at times doubling productivity. In this talk, Sarah Cairns-Smith discusses how a range of mobile apps are transforming local economies in Sub-Saharan Africa.

In this talk-performance hybrid, drummer, percussionist and TED Fellow Kasiva Mutua shares how she's breaking the taboo against female drummers in Kenya -- and her mission to teach the significance and importance of the drum to young boys, women and girls. "Women can be custodians of culture, too," Mutua says.

Charity Wayua put her skills as a cancer researcher to use on an unlikely patient: the government of her native Kenya. She shares how she helped her government drastically improve its process for opening up new businesses, a crucial part of economic health and growth, leading to new investments and a World Bank recognition as a top reformer.

The African continent holds more water than much of the world -- yet most people can't access the rich reserves just below their feet. Kala Fleming and her team in Kenya are creating a system-level solution: "digital aquifers." By putting sensors in wells, monitoring the data from the cloud and opening up business opportunity around it, they're ...

Peter Ouko spent 18 years in Kamiti Prison in Kenya, sometimes locked up in a cell with 13 other grown men for 23 and a half hours a day. In a moving talk, he tells the story of how he was freed -- and his current mission with the African Prisons Project: to set up the first law school behind bars and empower people in prison to drive positive c...

Kakenya Ntaiya turned her dream of getting an education into a movement to empower vulnerable girls and bring an end to harmful traditional practices in Kenya. Meet two students at the Kakenya Center for Excellence, a school where girls can live and study safely -- and uplift their community along the way. "When you empower a girl, you transform...

Corruption is a constant threat in Kenya, says social entrepreneur Wanjira Mathai -- and to stop it there (or anywhere else), we need to intervene early. Following the legacy of her mother, political activist and Nobel Prize recipient Wangari Maathai, Mathai shares three strategies to uproot a culture of corruption by teaching children and young...

TED Fellow Tom Osborn wants more young people to have access to the mental health support they need. With the Shamiri Institute, he and his team are training 18- to 22-year-olds to deliver evidence-based mental health care to their peers in Kenya -- which has only two clinicians for every million people. Hear how their community-first, youth-ori...

In the savannahs of Kenya, two female northern white rhinos, Nájin and Fatu, munch contentedly on grass. They are the last two known northern white rhinos left on Earth. Their species is functionally extinct— without a male, they can't reproduce. And yet, there's still hope to revive the northern white rhino. How can that be? Jan Stejskal dives ...

Photographer Boniface Mwangi wanted to protest against corruption in his home country of Kenya. So he made a plan: He and some friends would stand up and heckle during a public mass meeting. But when the moment came ... he stood alone. What happened next, he says, showed him who he truly was. As he says, "There are two most powerful days in your...

In 2011, Teresa Njoroge was convicted of a financial crime she didn't commit -- the result of a long string of false accusations, increasing bribe attempts and the corrupt justice system in her home in Kenya. Once incarcerated, she discovered that most of the women and girls locked up with her were also victims of the same broken system, caught ...

Some lucky animals are naturally endowed with bioluminescence, or the ability to create light. The firefly, the anglerfish, and a few more surprising creatures use this ability in many ways, including survival, hunting, and mating. Leslie Kenna investigates this magical glow - and our quest to replicate it. [Directed by Cinematic Sweden, narrate...

In a hopeful talk followed by an empowering performance, musician and TED Fellow Muthoni Drummer Queen shares how industries like music, film and fashion provide a platform for Africans to broadcast their rich and diverse talents -- and explains how the shared experience of creativity can replace attitudes of exclusionism and othering with accep...

Tech communities are booming all over Africa, says Nairobi-based Juliana Rotich, cofounder of the open-source software Ushahidi. But it remains challenging to get and stay connected in a region with frequent blackouts and spotty Internet hookups. So Rotich and friends developed BRCK, offering resilient connectivity for the developing world.

Hans Rosling reframes 10 years of UN data with his spectacular visuals, lighting up an astonishing -- and under-reported -- piece of front-page good news: We're winning the war against child death. Along the way, he debunks one flawed approach to stats that blots out such vital stories.

Kenya's minibuses -- known as "matatus" -- offer a convenient, affordable and colorful way for people to get around. But they also pose safety risks and accessibility issues for many of their passengers, especially women. Bringing a feminist perspective, activist and TED Fellow Naomi Mwaura calls for a revolution in public transportation by maki...

In the Maasai community where Richard Turere lives with his family, cattle are all-important. But lion attacks were growing more frequent. In this short, inspiring talk, the young inventor shares the solar-powered solution he designed to safely scare the lions away.

Hans Rosling unveils data visuals that untangle the complex risk factors of one of the world's deadliest (and most misunderstood) diseases: HIV. By following the data, he suggests a surprising key to ending the epidemic.

Thirty-nine million people in the world are blind, and the majority lost their sight due to curable and preventable diseases. But how do you test and treat people who live in remote areas, where expensive, bulky eye equipment is hard to come by? TED Fellow Andrew Bastawrous demos a smartphone app and cheap hardware that might help.

Robert Neuwirth, author of "Shadow Cities," finds the world's squatter sites -- where a billion people now make their homes -- to be thriving centers of ingenuity and innovation. He takes us on a tour.

From the glorious crested guinea fowl to the adulterous African jacana to vultures that can pick a zebra carcass clean in 30 minutes, Washington Wachira wants us all to get to know the marvelous species of birds that share the planet with us. If you're not already a fan of earth's feathermakers -- or concerned about their conservation -- you wil...

At TEDU 2009, Erik Hersman presents the remarkable story of Ushahidi, a GoogleMap mashup that allowed Kenyans to report and track violence via cell phone texts following the 2008 elections, and has evolved to continue saving lives in other countries.

To address the problem of counterfeit goods, African entrepreneurs like Bright Simons have come up with innovative and effective ways to confirm products are genuine. Now he asks: Why aren't these solutions everywhere? From password-protected medicines to digitally certified crops, Simons demonstrates the power of local ideas -- and calls on the...

Ory Okolloh tells the story of her life and her family -- and how she came to do her heroic work reporting on the doings of Kenya's parliament.

The controversial website WikiLeaks collects and posts highly classified documents and video. Founder Julian Assange talks to TED's Chris Anderson about how WikiLeaks operates and what drives their mission. The interview includes graphic footage of a US airstrike in Baghdad.

Africa needs engineers, but its engineering students often end up working at auditing firms and banks. Why? Kamau Gachigi suspects it's because they don't have the spaces and materials needed to test their ideas and start businesses. To solve this problem, Gachigi started Gearbox, a makerspace and hardware accelerator that provides a rapid proto...

Across sub-Saharan Africa, small farmers are the bedrock of national and regional economies—unless the weather proves unpredictable and their crops fail. The solution is insurance, at a vast, continental scale, and at a very low, affordable cost. Rose Goslinga and the Syngenta Foundation for Sustainable Agriculture pioneered an unconventional wa...

As natural garbage collectors, vultures are vital to our ecosystem -- so why all the bad press? Why are so many in danger of extinction? Raptor biologist Munir Virani says we need to pay more attention to these unique and misunderstood creatures, to change our perception and save the vultures.

Louise Leakey asks, "Who are we?" The question takes her to the Rift Valley in Eastern Africa, where she digs for the evolutionary origins of humankind -- and suggests a stunning new vision of our competing ancestors.