A team led by researchers at Kiel University has found that tumors can occur naturally in Hydra, suggesting that "spontaneous tumors have deep evolutionary roots" as they wrote in Nature Communications earlier this summer.

They examined polyps from Hydra oligactis and Pelmatohydra robusta that had altered morphology and tumor-like properties, including the ability to be established as a clonal line.

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An Australian study of personalized medicine has run into problems as it recruits patients.

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.