Neuroscientist and philosopher Sam Harris describes a scenario that is both terrifying and likely to occur. It’s not, he says, a good combination.

Today’s round-up of need-to-know stories features a rare argument in favor of Google Glass, a lyrical take on the intelligence of worms and jellyfish, and a discovery that might help explain how galaxies work.

Ecologist Deborah Gordon shows that ants create resilient, productive networks without any central guiding intelligence. Maybe we should learn from the little critters, not just squish them.