Vitalik Buterin founder of Ethereum, explains the true democratic potential of blockchain technology.

A handful of carbon-reduction companies have set up pilot plants to suck carbon dioxide directly from the air to help meet climate goals. Will anyone give them money to succeed?

Airbnb is proving that people inherently want to trust — and help — strangers.

The billionaire founders of WeWork — a co-working space company — are disrupting corporate office homogeneity forever.

Grazing livestock is one of the planet’s biggest threats. Ethan Brown — backed by Bill Gates, Evan Williams and Biz Stone — reckons the humble burger could save it.

In a rare interview, astronaut Dr Buzz Aldrin says he does not want to be remembered for “kicking up a bit of Moon dust”, but putting humans on Mars.