Could whales be conscious? The evidence for animal awareness is growing stronger as researchers listening to whale song find it shares some of the patterns of human language.
Experts stunned by humpback ‘speech’
Just like us?: Scientists are astounded by the similarities between two species, whales and humans, separated by 70 to 80 million of evolution. Glossary
Humpback whales - One of thirteen species of giant whale, the humpback can be found in every ocean.
Consciousness - When someone is aware of their own body and environment, they are "conscious".
Semantic - Connected to the meaning of words.
Melodies - A tune, or a series of notes that is musically pleasing.