Palm gestured vaguely. ‘I’d say it was an infection. According to Fenwick, that’s what did for Genghis too. But the weird thing is that there’s something inside those whales that doesn’t belong there.’ He pointed to his temples and traced a circle with his finger. ‘Fenwick found a clot in their brain stems. And some kind of leakage between the brain and the skull.’ Anawak sat up. ‘A blood clot? In both whales?’ ‘Not a blood clot, although at first we thought it was. Fenwick and Oliviera were pretty keen on the idea that noise was behind the change in the whales’ behaviour. They weren’t going
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