Weekly Review — November 27, 2001, 12:00 am
Weekly Review
Advanced Cell Technology Inc. of Worcester, Massachusetts, announced that it had cloned a human embryo in order to mine it for stem cells; the company said that it had taken “extreme measures” to prevent the embryo from being placed in a womb. Independent experts dismissed the cloning experiment as a failure. Mad cow disease continued to spread in Japan. Scientists at Oxford University said up to 1,500 Britishsheep could have been infected with the disease. A new study confirmed that abuse of stimulants used to treat attention-deficit disorder, such as Ritalin, was rampant among children and teens. “People don’t realize …



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