NEW YORK (GenomeWeb News) – Insects trapped in an amber precursor contained no endogenous DNA, University of Manchester researchers reported in PLOS One yesterday, a finding that counters previous claims that such DNA could be successfully extracted and could potentially be used in a Jurassic Park-style re-creation of extinct animals.

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In PNAS this week: genomic study of group B Streptococcus evolution, selection on the X chromosome in great apes, and more.

Changing the fat and fiber content of people's diets affects their gut microbiome, metabolome, and colon cancer risk, researchers say.

Broken links are found throughout academic publications, and some services are trying to combat such link decay.

Nick Stockton at Wired says that a pause in studying genome-editing tools should be used to find a path forward.