Seeing silicon crystal transform to amorphous

A team of researchers led by the University of Pittsburgh's Scott X. Mao has observed at atomic scale a previously unknown mechanism of shear-driven crystal to amorphously transform in silicon. The paper "In situ observation ...

Heatwaves in the ocean—a risk to ecosystems?

Marine ecosystems are responsible for about half of global annual primary production and more than one billion people rely on fish as their primary protein source. Latest studies show that enormous warm water bubbles in the ...

A litmus test of fairness

For example, lay people think that the sickest patients and those on waiting lists should be treated first, while ethicists – and to some degree medical professionals – tend to have a different set of priorities. This ...

Microbes help plants survive in severe drought

With California in its fifth year of severe drought and many western states experiencing another year of unusually dry conditions, plants are stressed.

Shedding light on Pluto's glaciers

What is the origin of the large heart-shaped nitrogen glacier revealed in 2015 on Pluto by the New Horizons spacecraft? Two researchers from the Laboratoire de météorologie dynamique (CNRS/École polytechnique/UPMC/ENS ...

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