Did you ever notice your dog gets depressed when you do? That your cat seems to make you feel more relaxed? Every wonder why? In this hour of To the Best of Our Knowledge, the connection between people and animals. Primatologist Frans de Waal says it may not be opera and abstract art, but...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...