The ancient origins of the Olympics | Armand D'Angour

Sunday Pick: Design Matters with Carrie Brownstein

TED Talks Daily Book Club: Horse Barbie | Geena Rocero

Sunday Pick: How free solo climber Alex Honnold faces fear

The unsung heroes putting climate solutions into practice | Aline Sousa

How to disagree with respect — not hate | Spencer J. Cox

The Olympic spirit — and how you can tap into it | Allyson Felix

The innovators building Africa's thriving tech scene | Peace Itimi

An anthem for peace and justice from Israeli and Palestinian youth | Jerusalem Youth Chorus

The breakthrough power of young leaders | Mohan Sivaloganathan