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Study links deterioration of concrete and asphalt to trace quantities of organic matter; diesel exhaust, windshield washer fluids

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A team of scientists from six institutions, including Akihiro Moriyoshi, Emeritus Professor Hokkaido University, have found that the presence of Trace Quantities of Organic Matter (TQOM) in modern concrete structures and asphalt pavements drive the deterioration of these structures. CT scans showing cracks in damaged concrete.

Exhaust 391
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Study finds reduction of low-frequency noise from transition to electric buses improved residents’ health

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Accompanying the lower noise levels from bus traffic was a reduction of fatigue, day time sleepiness and low mood, a study at the University of Gothenburg shows. Previous noise-level measurements had indicated that disturbance from low-frequency noise in indoor environments was present in the residential area.

Electric 459
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Study suggests lithium and cobalt for batteries may face supply risks by 2050

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Lithium and cobalt are fundamental components of present lithium-ion batteries. The researchers present these results in the journal Nature Reviews Materials as part of a cost and resource analysis of sodium-ion batteries. … b | The energy-storage demand for the reference devices. —Vaalma et al. Vaalma et al.

Supplies 281
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Purdue turbomachine expander offers efficient, safe strategy for heating, cooling

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Purdue University researchers have developed a turbomachine expander that offers an efficient and safe strategy for heating and cooling. These devices are referred to as expansion work recovery devices. However, the device will be referred to as an expander herein for conciseness.

Waste 291
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Oxford team directly converts CO2 to jet fuel using iron-based catalysts

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Researchers at the University of Oxford have developed a method to convert CO 2 directly into aviation fuel using a novel, inexpensive iron-based catalyst. These are important raw materials for the petrochemical industry and are presently also only obtained from fossil crude oil. C n H m ?+?H H 2 O) on catalytically active sites on ?-Fe

Convert 505
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Study Presents Evidence for Cultural Cognition of Scientific Consensus

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The “cultural cognition of risk” refers to the tendency of individuals to form risk perceptions that are congenial to their values.

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Global study shows uneven urbanization among large cities in the last two decades

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The findings are presented in an open-access paper in Nature Communications. Credit: The University of Hong Kong. The authors suggest that not dealing with the urban problems in a timely manner will pose major challenges to sustainable development.

Global 433