Transcript for Instant Index: Whale Imitates Human Speech; Unfinished John Lennon Lyrics
And now our instant index, people, pictures and quotes that captured our imagination. A new possibility, a white whale imitating human speech. Listen. scientists believe the whale named knox was raised in captivity, taught himself to imitate human sounds and tried to do it most often when human trainers were in the water near him so they believe, the scientists, that knox was trying to make contact from another world. Their findings are released today in the journal "biology." From a song of the sea to a song we've never heard. John lennon lyrics crippled on a postcard. "When a girl begins to be a problem, pretty soon the girl must go. When they're gone you find at last you love them. Pretty soon you want to know." They were released in a new book and that work in progress was one lennon never had a chance to put to music. Imagination interrupted. And a person in the news tonight, russell means has died. He was a member of the sioux indian tribe and leaded an armed occupation 71 days and you know the name, wounded knee. Later, we saw him in the movies, there the elder alongside daniel day-lewis in "the last of the mohicans" and said every man must be a warrior, fighting for a cause you believe in. He died from cancer at the age of 72. We do want to hear from you. Tell us which pictures, quotes and images capture your imagination. Tweet them to us, #instantindex. Coming up are we taking a look at the future for all of us
This transcript has been automatically generated and may not be 100% accurate.