In just 15 minutes, the coolest stuff that happened in the world today. Science, progress, life-hacks, memes, exciting art and hope. The antidote to depressing headlines. Smart stuff in podcast form. Cool news, as a service.
Where did the high five come from? Who came up with it? And why has it persisted for so long? Plus, what if we could turn the entire Earth into a telescope? One astronomer has drawn up the plans. And, how bad is blue light for you, really?