12/05/2021

Clingy copper ions contribute to catalyst slowdown

Heavy-duty diesel trucks on the road today are equipped with aftertreatment systems that include selective catalytic reduction (SCR) technology using urea solution as a reducing agent to curtail harmful nitrogen oxide (NOx) ...

First worldwide view of a key phytoplankton proxy

From vast, swirling blooms to minuscule populations, photosynthetic phytoplankton drifting near the surface of the ocean are often captured in snapshots from chlorophyll-detecting satellites. However, phytoplankton at greater ...

Image: OSIRIS-REx bids farewell to Asteroid Bennu

On April 9, 2021, NASA's Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer (OSIRIS-REx) spacecraft took one last look at Bennu, the asteroid from which it scooped up a sample last October. ...

Bicyclic protein mimetics inhibit the oncogene β-catenin

The inhibition of pathological protein–protein interactions is a promising approach for treating a large number of diseases, including many forms of cancer. A team of researchers has now developed a bicyclic peptide that ...

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