News tagged with human migration

Louse genetics offer clues on human migrations

A new genetic analysis of human lice from across the world sheds light on the global spread of these parasites, their potential for disease transmission and insecticide resistance. The results are published February 27 in ...

dateFeb 27, 2013 in Other
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Tree-ring data show history, pattern to droughts

Dendrochronologists have shown that tree-ring data produce a remarkably accurate history of droughts and other climate changes. Combined with reliable drought indices and historical descriptions of climate conditions, dendrochronology ...

dateFeb 18, 2013 in Earth Sciences
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Melting polar ice could release old viruses

In 1999, Russian scientists famously dug a long-dead frozen woolly mammoth out of the Siberian permafrost. Other things lurking in the frozen earth may be more alive - and more dangerous. Scientists warn that global warming ...

dateDec 12, 2012 in Environment
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