What's needed to bring the US voting system into the 21st century | Tiana Epps-Johnson

Ray Kurzweil on what the future holds next | The TED Interview

A powerful way to unleash your natural creativity | Tim Harford

The power of women's anger | Soraya Chemaly

Can we solve global warming? Lessons from how we protected the ozone layer | Sean Davis

Reflections from a lifetime fighting to end child poverty | Marian Wright Edelman

The disarming case to act right now on climate change | Greta Thunberg

The way we think about biological sex is wrong | Emily Quinn

An astronaut's story of curiosity, perspective and change | Leland Melvin

How we can start to heal the pain of racial division | Ruby Sales