How we'll become cyborgs and extend human potential | Hugh Herr

What gardening taught me about life | tobacco brown

How vultures can help solve crimes | Lauren Pharr

How we can turn the cold of outer space into a renewable resource | Aaswath Raman

Why theater is essential to democracy | Oskar Eustis

The critical role librarians play in the opioid crisis | Chera Kowalski

What if we replaced politicians with randomly selected people? | Brett Hennig

How technology can fight extremism and online harassment | Yasmin Green

Let's turn the high seas into the world's largest nature reserve | Enric Sala

Inside the fight against Russia's fake news empire | Olga Yurkova