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Science News Archive 2019 - Page 113


Page 113 of 486

New approach for modern power grids that increases efficiency, reduces cost

Researchers from Singapore University of Technology and Design proposed a novel probabilistic dispatch strategy to minimize generation costs while ensuring constraint satisfaction in modern power grids. The approach significantly decreases the probability of constraint violation without impacting nominal power generation cost.

SourceSingapore University of Technology and Design·JournalIEEE Transactions on Control of Network Systems·DateOct 8, 2019

Buying less is better than buying 'green' -- for the planet and your happiness

A new study from the University of Arizona suggests that reducing consumption is more effective in improving personal well-being and lower psychological distress compared to green buying. Participants with fewer materialistic values were more likely to engage in reduced consumption and reported higher personal well-being.

SourceUniversity of Arizona·JournalYoung Consumers Insight and Ideas for Responsible Marketers·DateOct 8, 2019

Smaller than a coin

Researchers at ETH Zurich have developed a compact spectrometer that can analyze infrared light in the same way as conventional spectrometers. The device uses special waveguides with an adjustable optical refractive index to disperse the spectrum of incident light, allowing for broad spectral analysis.

SourceETH Zurich·JournalNature Photonics·DateOct 8, 2019

Research maps key signaling pathways linking calcium entry and exit in activated T cells

A study by Temple-led researchers describes a unique mechanism for coordinating calcium entrance and exit 'doors' on T cells, which helps them carry out their jobs and ensure normal immune function. The research offers new insight into calcium signaling that could help scientists better understand autoimmune and immunodeficiency diseases.

SourceTemple University Health System·JournalScience Signaling·DateOct 8, 2019

Medicare overpayments for graduate medical education could total $1.28 billion annually

A study published in JAMA Internal Medicine found that Medicare overpaid hospitals by an estimated $1.28 billion annually for Graduate Medical Education (GME) programs. Capping GME payment rates could free up over $1 billion, potentially addressing doctor shortages and strengthening the physician workforce in underserved areas.

SourceGeorge Washington University·JournalJAMA Internal Medicine·DateOct 7, 2019

Ethiopian parents can't make up for effects of life shocks on children by spending more on education

New research from Lancaster University and Heriot-Watt University reveals that Ethiopian parents' attempts to level the playing field for disadvantaged children by investing more in education are ultimately ineffective. The study found that even with greater investments, low-ability outcomes persist later in childhood.

SourceLancaster University·JournalJournal of Population Economics·DateOct 7, 2019

Icaros: Flight simulator home trainer

Researchers at the German Sport University explored the effects of full-body exergaming in VR on cardiovascular system and strength endurance. Results showed that VR-based training had little to no cardiovascular benefit but created incentives for increased physical activity, motivating users to take up exercise.

SourceGerman Sport University·JournalJMIR Serious Games·DateOct 7, 2019