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Two independent research groups this month published data indicating that plant microRNAs are not taken up into animals when ingested in concentrations sufficient to regulate gene expression, contrary to a highly publicized report from last year.

While additional work in larger animal populations is required to bear out the latest findings, they suggest that some technical artifact or contamination issue may have been behind the original study, according to Kenneth Witwer, a Johns Hopkins School of Medicine researcher and lead author of one of the new papers.

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The Economist reports that it is increasingly easier to analyze the metabolites people give off, potentially revealing personal information about them.

A controversial paper on the gender gap in science has been corrected, according to BuzzFeed News.

The Los Angeles Times reports that only a third of California students meet the state's new science standards.

In Science this week: evidence of interbreeding between the ancestors of West Africans and an unknown archaic human, and more.

Feb
20
Sponsored by
Thermo Fisher Scientific

This webinar will discuss the use of 3’ mRNA sequencing to reduce the cost of gene expression studies on Illumina NGS systems.

Feb
26
Sponsored by
Autogen

This webinar will explain how the Clinic for Special Children in Strasburg, Pennsylvania, has transformed its DNA workflows to improve the diagnosis and treatment of genetic illnesses that are prevalent in the pediatric population of its community.