'They famously attempted to warn mankind of the Earth's impending destruction in The Hitchhiker's Guide to the Galaxy, only for their behaviour to be dismissed as playful acrobatics.
But now, solid evidence has emerged of the dolphin's altruistic nature. In a act of selflessness which has astounded experts and confirmed the friendly nature of the species, a bottlenose came to the rescue of two whales stranded on a beach in New Zealand.'
