Just One

As techniques become more refined, researchers are increasingly able to separate, amplify, and analyze DNA from single cells, though there are still technical hurdles.

"People are becoming very interested in what is the variation from cell to cell," the University of Texas MD Anderson Cancer Center's Nicholas Navin tells Nature News.

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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.