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Video of Costello the octopus may show him waking from nightmare, say scientists
![Video of Costello the octopus may show him waking from nightmare, say scientists 1 Newsdaily1](http://i0.wp.com/en.newsdailyarabic.com/wp-content/uploads/2022/05/Newsdaily1.png?resize=512%2C470&ssl=1)
Four times Costello, filmed in a laboratory, woke abruptly before engaging ‘in antipredator and predatory behaviours’. Scientists think he may have been responding to a bad dream or memories of an attack.Read More