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From: The Independent - London | Date: November 21, 1999| Author: Simon Singh | Copyright information

IN THE 18th century, fishermen on the island of Lovgrund, a few miles off the Swedish coast, noticed that things were not as they used to be. The village elders remembered how seals used to climb upon a particular rock in the harbour, where they could easily be harpooned or shot. But the seals could no longer clamber on to the rock, because the sea level seemed to have fallen and the rock was too high out of the water.

In 1731 Anders Celsius, inventor of the Celsius temperature scale,...

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