Making 'Pavlov's Cockroach'
Feb 05, 2006 |
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In an experiment that made him a household name, the Russian scientist Ivan Pavlov a century ago got dogs used to hearing a bell every time they were fed. The dogs soon started drooling whenever they heard ...
Britain faces drought after dry winter
Feb 05, 2006 |
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Southeast England faces a summer of drought after the driest 15 months in 30 years, but northwest Scotland and Wales have had more rain than usual.
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