
Below 700 metres, glowing isn’t rare — it’s the default, and most animals down there make their own light. Stranger still, this ability didn’t evolve once and spread. Life invented it from scratch, over and over, at least ninety separate times. The reason why says something profound about evolution itself. Read more

There is an animal alive right now that can reverse its own ageing — not slow it, not pause it, but run it completely backwards. Turritopsis dohrnii is smaller than a fingernail and potentially immortal. The cellular mechanics behind what it does are stranger, and far more significant, than almost anyone realises. Read more