Ingrid Betancourt was kidnapped by Marxist rebels in Columbia while in the midst of her presidential campaign. She spent the next six and a half years in captivity chained, humiliated and abused. But her greatest fear was not death. It was losing her humanity. In this hour of To the Best of Our...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...