Linda Zhang says she knows how to get students excited about learning: Wrap their lessons in real-world problems they want to solve.

The future of green is local. Majora Carter tells three inspiring stories of people who are saving their own communities while saving the planet.

Ever wonder how we poop? Learn about the gut -- the system where digestion (and a whole lot more) happens -- as doctor and author Giulia Enders takes us inside the complex, fascinating science behind it, including its connection to mental health. It turns out, looking closer at something we might shy away from can leave us feeling more fearless ...

A delightful selection of TED Talks that may disarm you with their charm — and even make you laugh.

Giulia Enders is working to reveal how our gut is at the core of who we are.

Myriam Sidibe is a warrior in the fight against childhood disease. Her weapon of choice? A bar of soap. For cost-effective prevention against sickness, it’s hard to beat soapy hand-washing, which cuts down risk of pneumonia, diarrhea, cholera and worse. Sidibe, a public-health expert, makes a smart case for public-private partnerships to promote...

A decade ago, Robin Chase founded Zipcar in the US, now the largest car-sharing company in the world. Now she's exploring the next level of car-sharing: Buzzcar, a French startup that lets people rent their own cars to others. The details are fascinating (how does insurance work, exactly?), and the larger vision (she calls it Peers, Inc.) points...

At 23-years-old, Emma Bridgewater boldly launched her new ceramic company in Stoke-on-Trent, a city with rich ceramic traditions but a present that resembled Detroit. She tapped into the dwindling yet still vibrant reservoir of skills and traditions still residing in the city and is now at the center of an economic and cultural renaissance. Emma...

What a year! These 14 talks challenged our perceptions of love, happiness, what the future will hold ... and, um, the very nature of reality itself.

Tina Seelig teaches innovation and entrepreneurship and is passionate about creative problem-solving.

Human rights advocate Mohamed Ali fights terrorism with entrepreneurship.

Ndidi Okonkwo Nwuneli is an expert on social innovation, African agriculture and nutrition, entrepreneurship and youth development.

Tom Hulme's enthusiasm spans physics, design, entrepreneurship and investment.

Rebeca Hwang is co-founder and managing director of Rivet Ventures, investing in solutions for women and empowering their choices.

Environmentalist Jamie C. Beard is founder and executive director of the Geothermal Entrepreneurship Organization (GEO) at the University of Texas at Austin.

Could unemployment be a factor that leads to terrorism? In today's talk, peace strategist Mohamed Ali (not to be confused with the boxer) introduces us to the youth of Mogadishu, Somalia -- 70 percent of whom are unable to find jobs. In this talk, Ali highlights just how appealing the messages of terrorist organizations and gangs can be to t...

Ryan Panchadsaram is an engineer and investor focused on solving systemic societal challenges.

TED Fellow Matilda Ho is shaping the startup landscape to create more sustainable food systems in China.

Erika Cheung was one of the key whistleblowers in the Theranos scandal.

Asher Hasan's social enterprise Naya Jeevan (the name means "new life" in Urdu and Hindi) is the emerging world's first HMO for the urban, working poor.

The co-host of TEDxMidAtlantic, Dave Troy is a serial entrepreneur and a data-viz fan.

Oded Shoseyov’s researches plant molecular biology protein engineering and nanobiotechnology, creating super-performing materials that are could change the way we build our future products.

Priyanka Jain heads up product for pymetrics, an NYC-based startup that uses neuroscience and AI to make hiring more diverse and effective.

Luma Mufleh does something revolutionary: she coaches soccer. A Jordanian immigrant and Muslim of Syrian descent, Mufleh is determined to empower refugee children everywhere.

After witnessing the stigma related to menstruation, Ananya Grover took action with her classmates. She believes breaking silence is the first step towards period positivity.

Iqbal Quadir is an advocate of business as a humanitarian tool. With GrameenPhone, he brought the first commercial telecom services to poor areas of Bangladesh. His latest project will help rural entrepreneurs build power plants.

Gayle Tzemach Lemmon writes about women around the world living their lives at war and in conflict zones.

Rodrigo Canales wants to understand how individuals influence organizations or systems--even those as complex as the Mexican drug cartels.

Nicaila Matthews Okome is the creator and host of "Side Hustle Pro," the first and only podcast to spotlight bold, black women entrepreneurs who have scaled from side hustle to profitable business.

Inveterate tinkerer Peter Haas is the co-founder of AIDG, the Appropriate Infrastructure Development Group, which connect people to electricity, sanitation and clean water through a combination of business incubation, education, and outreach.