Amelia Macapia (AM): Whale songs can travel vast distances, and if they are using their songs to communicate with one another, they are not just doing so across space, but also across time. That concept flashed briefly in your documentary “Fathom.” I came across a recent quote in an article by Elizabeth Kolbert in The New Yorker, suggesting that a call “made by a humpback whale near Bermuda would take 20 min to reach a humpback whale swimming off the coast of Nova Scotia, and if the Canadian whale answered immediately, it would be 40 min before the Bermuda whale heard back.” So, are the whales receiving information from the past and present simultaneously? And how are they registering that?