If you ever find yourself on a dark country road in Ireland, bring along some salt, red thread, and a cross. That’s what you’ll need to protect yourself from “the other crowd.” Next time on To the Best of Our Knowledge, the fairies of Ireland. They’re magical, vengeful, and still alive and...Read more



Scientists are launching one of the most audacious projects ever conceived: a detailed map of the human brain, neuron by neron, synapse by synapse. For some scientists...