Sightings of humpback whales in the waters off New York have increased in recent years, thrilling whale watchers. Now, for the first time, scientists have proof of humpbacks singing in this area, not just in their Caribbean breeding grounds. Lead study author Julia Zeh analyzed more than 6,000 hours of underwater recordings captured by Cornell scientists and she couldn’t believe her ears. “All of a sudden there in the background, it starts kind...