<font><font face="georgia,serif">MIND & MATTER<br>March 2, 2012, 6:31 p.m. ET<br><br>Why Our Culture Is in Our Genes<br><br>By MATT RIDLEY<br><br>The island of Gaua, part of Vanuatu in the Pacific, is just 13 miles across, yet it has five distinct native languages. Papua New Guinea, an area only slightly bigger than Texas, has 800 languages, some spoken by just a few thousand people. "Wired for Culture," a remarkable new book by Mark Pagel, an American evolutionary biologist based in England, sets out to explain this peculiar human property of fragmenting into mutually uncomprehending cultural groups. His explanation is unsettling.<br>
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