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 ...

Why chocolate feels so good: It is all down to lubrication

Scientists have decoded the physical process that takes place in the mouth when a piece of chocolate is eaten, as it changes from a solid into a smooth emulsion that many people find totally irresistible.

Cubes outperform spheres as catalyst particles

To date, nanoparticles as catalysts for green hydrogen have been like rowers in an eight: researchers could only measure their average performance, but couldn't determine which one was the best. This has now changed following ...

Nile countries could gain economic benefits from new framework

New research led by The University of Manchester has developed unique river basin modeling software which, for the first time, combines reservoir management, economy-wide performance, and artificial intelligence techniques ...

Examining Smilodon's saber teeth

A team of researchers led by Narimane Chatar, a doctoral student at the EDDyLab of the University of Liège (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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