This Week in Science | GenomeWeb

This Week in Science

In Science this week, a team led by researchers from the University of Manchester report on the creation of an artificial small-molecule machine capable of creating peptides, moving one step close to the development of a man-made ribosome. The machine, which is based on a rotaxane, travels alone a molecular strand, picking up amino acids placed in its way and synthesizing a peptide in a sequence-specific manner.

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In PNAS this week: Plasmodium knowlesi population structure, 'pre-adaptations' in algal ancestors of land plants, and more.

Replication studies that don't quite reflect the original findings underscore the need to better share data, the Wall Street Journal reports.

About two-thirds of proposals to work with select agents are denied — though most proposals that come in don't meet the definition of a restricted experiment, according to an analysis by the Centers for Disease Control and Prevention.

Researchers examine plant and human DNA found on the Shroud of Turin.