Scripps Research Institute investigators mixed together water, RNA, and ribozyme to recreate part of the hypothesized 'RNA world,' Live Science reports. That hypothesis says that life first emerged as RNA-based before being superseded by DNA as the major genetic material and proteins as enzymes, it notes.

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ScienceInsider reports that a new security policy at the US Food and Drug Administration may prevent foreign nationals from working there.

WBUR in Boston looks into Orig3n's genetic fitness assessments to find more research is needed.

Cleveland.com reports that getting a DNA profile removed from a law enforcement database can be tricky.

In PNAS this week: de novo mutations contribute to non-syndromic craniosynostosis, fungal tree of life, and more.