Just how Ötzi, the Tyrolean Iceman who died more than 5,300, met his demise isn't quite clear. His well-preserved body shows evidence of both an arrow wound to the shoulder and, more recently discovered, a blow to the head.
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In Science this week: role for epigenetic in neuronal excitability, and more.
The new Office of Research Integrity director is grappling with complaints from her staff, according to ScienceInsider.
Italian researchers link SNPs in the PDSS2 gene to coffee consumption in a new paper.
A gene-editing ban has been interpreted to include mitochondrial transfer, Technology Review reports.