Cloning used to defeat extinction
Scientists in Spain are planning to use cloning to reverse the extinction of a native species of mammal. Last week, the last surviving Pyrenean ibex (Capra pyrenaica pyrenaica), a mountain goat, was killed by a falling tree in the Ordesa National Park in Spain. The goat had not responded to...
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Will breast always be best?
by Juliet Tizzard
Last week on British prime time television, the roving comedian Mark Thomas revealed that PPL Therapeutics is planning to rear genetically modified cows, designed to produce human alpha-lactalbumin, a protein found in human breast milk. Thomas, who has waged a one-man war against formula milk manufacturers, interviewed a member of...