Lice provide head-scratching hints on evolution International Herald Tribune | March 9, 2007| | . Provided by ProQuest LLC. (Hide copyright information) Copyright

Nicholas Wade
International Herald Tribune
03-09-2007
One of the more embarrassing mysteries of human evolution is that people are host to no fewer than three kinds of louse while most species have just one.Even bleaker for the human reputation, the pubic louse, which gets its dates and residence-swapping opportunities when its hosts are locked in intimate embrace, does not seem to be a true native of the human body. Its closest relative is the gorilla louse. (Don't even think about it.)Louse specialists now seem at last to have solved the question of how people came by their superabundance ...

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