The year was 1866. Every seaman had the same story. "We saw a giant whale, a hundred metres long. It came near our boat," they said. "It's faster and bigger than any sea animal!" The story was in the newspapers and a lot of people talked about it. People were afraid. They wanted to find this monster. "It can't be a whale," scientists said. "A big blue whale is only twenty-five or thirty metres long. Perhaps it is a coral reef." "But a coral reef can't send water fifty metres into the air," the s ...