Viruses of Old

The genomes of humans as well as of Neandertals and Denisovans contain retroviruses that inserted themselves into the sequence. Last year, the New Scientist reports, a group at Albert Einstein College of Medicine in New York searched through the genomes of the ancient hominins for such viruses. As the team led by Jack Lenz reported in Current Biology, they unearthed 14 retroviruses insertion sites, none of which they saw in modern humans.

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A fire at a Manchester hospital may have destroyed lab equipment and data, the Guardian reports.

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In Science this week: human DNA found in sediments from archeological sites lacking bones, and more.