On occasion, it is of vital importance to consider how little we know about the spinning rock we all live on. Take coral reefs, for example. Given how much they've been studied, you'd think we've ...

Soft corals can emit a noxious brew of terpenes to kill their stony coral cousins and inhibit others from gaining a foothold. Stony corals retaliate by deploying sweeper tentacles, long whip-like ...