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Kelvin Doe at TEDxTeen

2013

15-Year-Old Kelvin Doe is an engineering whiz living in Sierra Leone who scours the trash bins for spare parts, which he uses to build batteries, generators and transmitters. See more...

10:24 min

14:16

What Does It Mean to Be Human? | Sonia Sanchez | TEDxPhiladelphia

In this captivating reading, legendary poet, activist and scholar Sonia Sanchez explores the most important question of the 21st century: What does it mean to be human?

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