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Latest Gerhard Kuhn Stories

2011-12-02 14:34:59

The end of the last ice age and the processes that led to the melting of the northern and southern ice sheets supply basic information on changes in our climate.


Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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