NASA's X-ray telescopes expose the 'bones' of a haunting cosmic hand

marine researchers say theyve recorded bowheads singing an unprecedented number of songs.

We simply cant see what theyre doing.the bowheads were found singing 24 hours a day during the winter months.

Humpback whale songs have been recorded extensively.and only rarely did a song continue to be in use for a month.they largely avoid getting cancer.

Scientists believe they can live for over two centuries.the meaning and structure of their songs remains cryptic.

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shOnce youve issued the above command.were talking about something altogether different.