This Week in Science

In this week's Science, a team led by Harvard University researchers reports on a study in zebrafish that provided new insights into how melanoma is triggered. The investigators focused on crestin, a gene that is expressed in embryonic neural crest cells, but not adult tissues — except when melanoma develops.

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Two researchers have found that behavioral genetic defenses in criminal cases don't tend to affect outcomes, according to Popular Science.

Researchers report that while host genetics influence the oral microbiome, they don't appear to affect cavity-causing microbes, the Economist says.

Pandas' gut microbiomes change as what they eat changes with the seasons, writes Discover's Inkfish blog.

In PLOS this week: comparative genomic study of malaria-linked macaque parasite, search for apple root reference genes, and more.