Harvard researchers study how to communicate with whales

This is the sound of sperm whales. With a brain that can weigh up to 18 lbs and a lifespan of more than 200 years, they're considered to be among the most intelligent animals on Earth. They communicate using clicks called kodas.And now scientists say we are closer than ever to actually understanding them. Thank you. All right.Welcome to the laboratory. NBC News was invited into Harvard University's new micro robotics lab where researchers at Project SETI are using artificial intelligence to decode the click ...