As blowflies and flesh flies eat on dead animals, they also imbibe a bit of those animals' DNA, which could serve as a guide to studying diversity, report researchers led by Sébastien Calvignac-Spencer from the Robert Koch Institute in Berlin.
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In Science this week: mtDNA analysis give glimpse into decline of Neanderthals in Europe, and more.
The University of Arizona's Raina Maier writes that an understanding of the Earth's microbiome is needed.
The proposed Canadian budget emphasizes partnerships with industry, Nature News reports.
An Australian study of personalized medicine has run into problems as it recruits patients.