Kakenya Ntaiya refused to accept the continued oppression of women in her Maasai village -- so she built a school that's shifting gender expectations in her community.

加州艺术学院（California College of the Arts)多名讲师讲解建筑学。

The Beirut Marathon is the largest running event in the Middle East. May El-Khalil founded it as an instrument of peace.

麻省理工学院教授，获多伦多大学化学博士学位。是世界著名的材料化学、熔盐物理化学、电化学专家，在贵重金属提炼 ...

Journalist Misha Glenny leaves no stone unturned (and no failed state unexamined) in his excavation of criminal globalization.

讲师深度讲解，《PowerPoint教程》，精彩正在继续。

Kevin Bales is the co-founder of Free the Slaves, whose mission is to end all forms of human slavery within the next 25 years. He's the author of "Ending Slavery: How We Free Today's Slaves." ...

Thomas Suarez, a 12 year old, taught himself to build iphone apps.

Candy Chang creates art that prompts people to think about their secrets, wishes and hopes -- and then share them. She is a TED Senior Fellow.