Some Whales Can Sing For 20 Minutes On One Breath - Behind the News

Researchers have solved a mystery that's puzzled marine scientists for decades; how do whales sing? By studying the voice boxes of dead whales they've built a better understanding of how they produce the squeaks, whistles and hoots that have fascinated sailors for centuries. Wren finds out more about the how and why of whale songs.
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For the past 55 years, Behind the News has been helping to break down current issues and events for young people all around the world. The program is a high-energy, fun way for people to learn about the stories we see in the news while providing background information that isn’t usually given by other news bulletins.