This Week in Science

In Science this week, an international team led by University of Oxford and University of Leuven researchers report on their analysis of sequences from HIV-1 group M, the strain of the virus that transferred from chimpanzees to humans. Their studies revealing that the virus emerged in humans the 1920s in Kinshasa in what is now the Democratic Republic of Congo. From there, the virus spread rapidly as Kinshasa was a commercial transportation hub connecting rural and urban regions.

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Researchers have sequenced the northern white rhinoceros to gauge whether it could be brought back from the edge of extinction, the New York Times reports.

Bavaria expands its forensic genetic analyses to include DNA phenotyping, raising discrimination concerns.

Tufts University researchers found a role for miRNA in transmitting stress between generations, the Economist reports.

In Science this week: gut microbiome influences liver cancer growth, spread; and more.