Catálogo de publicaciones - revistas

<jats:p>Two new studies conclude that most members of the far-flung Jewish Diaspora can trace their roots to ancestors who lived in the Middle East more than 2000 years ago, apparently refuting controversial claims that most of today's Jews descend from more recent converts.</jats:p>

<jats:p> <jats:italic>Science</jats:italic> Insider reported this week that Italian researchers are worried that their successful protests against budget cuts proposed by Prime Minister Silvio Berlusconi may be only a temporary victory, among other stories. </jats:p>

<jats:p> In experiments reported in this week's issue of <jats:italic>Science</jats:italic> , subjects who received a dose of the social-bonding hormone oxytocin behaved more altruistically toward members of their own group. Yet they also displayed more "defensive aggression" toward outsiders, preemptively punishing members of a competing group when their own group was in danger of suffering a heavy loss. </jats:p>

<jats:p>After decades of taboo and controversy, Pacific Rim archaeologists are finding new evidence that Polynesians reached South America before Europeans did, voyaging across the world's largest ocean around 1200 C.E.</jats:p>

<jats:p>Archaeologists are deeply at odds over when Polynesians fanned out across the vast northern, central, and eastern Pacific Ocean. For the moment, those who argue for a swift and late settlement seem to have the upper hand.</jats:p>

<jats:p>While researchers are making strides in demonstrating a connection between South America and Polynesia, the idea that California Indians learned from Hawaiians faces an uphill struggle. Questions about timing make many archaeologists skeptical.</jats:p>

<jats:p>There are calls for reforms to British libel laws after researchers were sued in the United Kingdom for discussing or writing about controversial matters.</jats:p>

<jats:p>Have fears of "libel tourism" kept a controversial psychology paper on psychopaths from seeing the light of day for more than 3 years after its acceptance by a journal? One of the authors believes that's the case.</jats:p>