The E. coli that killed dozens and infected thousands of people in Germany last month has a "highly unusual" combination of traits that made it particularly deadly, reports The New York Times' Gina Kolata.
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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.