Could the eBay of drugs - aka the dark net - actually save lives? Criminologist James Martin thinks so.
Have a stickybeak at this: a radical initiative to recruit crows to rid Amsterdam's streets of cigarette butts. But will the idea fly?
Could insects be the next big superfood? Or is that just too creepy to contemplate? We investigate.
Ever wondered what the solar system looked like at the precise moment you burst forth into the world? (Possibly not, but in case you had, well – now you can see a snapshot of it. And you can even get it printed on a poster.)