Software assembles complete genome sequences on-demand

National Institutes of Health researchers have developed and released an innovative software tool to assemble truly complete (i.e., gapless) genome sequences from a variety of species. This software, called Verkko, which ...

SRM 915c calcium carbonate mass fraction standard

This standard reference material from the National Institute of Standards and Technology (NIST) will help calibrate procedures for calcium determinations used in clinical analysis and for routine critical evaluation of the ...

Examining Smilodon's saber teeth

A team of researchers led by Narimane Chatar, a doctoral student at the EDDyLab of the University of Li├Ęge (Belgium), has tested the biting efficiency of Smilodon, an extinct genus of carnivore close to the extant felines. ...

Climate archives under the magnifying glass

The fossil remains of algae continuously accumulate in marine sediments, and these can be used to reconstruct past oceanic conditions. Molecular fossils, called lipid biomarkers, are of particular importance for this. They ...

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