Energy

Renewable Energy Prevented 12,700 Premature Deaths Over Nine-Year Period, Study Says
August 17, 2017 04:42 PM - Yale Environment 360

The expansion of wind and solar energy, and the resulting avoided emissions from fossil fuels, helped prevent up to 12,700 premature deaths in the U.S. from 2007 to 2015, according a new study in the journal Nature Energy.

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Freeze-dried foam soaks up carbon dioxide
August 16, 2017 04:55 PM - Rice University

Rice University materials scientists have created a light foam from two-dimensional sheets of hexagonal-boron nitride (h-BN) that absorbs carbon dioxide.

They discovered freeze-drying h-BN turned it into a macro-scale foam that disintegrates in liquids. But adding a bit of polyvinyl alcohol (PVA) into the mix transformed it into a far more robust and useful material.

The foam is highly porous and its properties can be tuned for use in air filters and as gas absorption materials, according to researchers in the Rice lab of materials scientist Pulickel Ajayan.

Their work appears in the American Chemical Society journal ACS Nano.

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SPOTLIGHT

Sparkling springs aid quest for underground heat

The University of Edinburgh

Analysis of natural sparkling mineral water has given scientists valuable clues on how to locate hot water springs.

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