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2023

Новости за 03.03.2023

Think you're good at math? Study shows it may be because you had equitable math teachers

Sciencedaily.com 

A new study finds that high school students identify more with math if they see their math teacher treating everyone in the class equitably, especially in racially diverse schools. While the relationship between teacher equity and math identity was evident across races, there was an interesting exception. Black students, in general, had strong math identities, regardless of their teacher's actions.  Learning about the factors that affect student math identity is important because a student's attitude... Читать дальше...

Researchers test smart surfaces to improve wireless communication and localization

Sciencedaily.com 

It's happened to anyone with a cell phone -- dropped calls or dead air because suddenly there is no service available. Or worse, the location pin drops on the navigation app. Researchers are looking at ways to improve cell phone connectivity and localization abilities by examining 'smart' surfaces that can bounce signals from a tower to customers to improve the link. A smart surface involves installing reflective elements on windows or panels on buildings in dense urban environments.

NFL players who experienced concussion symptoms during careers show reduced cognitive performance decades after retirement

Sciencedaily.com 

More than 350 former NFL players were studied on average 29 years after their playing careers ended. Retirees who experienced concussion symptoms during their playing careers were found to perform worse on a battery of cognitive tests. When comparing the retired players to more than 5,000 men who did not play football, cognitive performance was generally worse for former players, with older players performing worse.



Acid glia in REM sleep: Stronger acid response in epileptic mice

Sciencedaily.com 

Changes in our REM sleep patterns could potentially be used to diagnose the severity of epilepsy, a new study has suggested. Researchers showed that astrocytes -- star-shaped glial cells that control the local ionic and metabotropic environment of the brain -- exhibit an acid response with REM sleep in mice. They theorize that the acid response could be the underlying drive for specific information processing and generating plasticity during sleep.

Extreme fast charging capability in lithium-ion batteries

Sciencedaily.com 

Lithium-ion batteries dominate among energy storage devices and are the battery of choice for the electric vehicle industry. Improving battery performance is a constant impetus to current research in this field. Towards this end, a group of researchers has synthesized a lithium borate-type aqueous polyelectrolyte binder for graphite anodes. Their new binder helped improve Li-ion diffusion and lower impedance compared to conventional batteries.

Cash-starved Pakistan to receive another USD 1.3 billion from China

Economictimes.indiatimes.com 

Pakistan will get another USD 1.3 billion from all-weather ally China to shore up its fast-depleting forex reserves, Finance Minister Ishaq Dar said on Monday, days after the cash-strapped country received USD 700 million from Beijing. Addressing a press conference, Dar said that the Industrial and Commercial Bank of China Ltd (ICBC) would provide the funding in the coming days.

The Thistle and Shamrock: Welsh Dragon

NPR (npr.org) 

Join your host, Fiona Ritchie this week for some dynamic Welsh contemporary folk and roots music, featuring artists like Crasdant, Ar Log, and the Adagio Trio.

Centre committed to making policies for self-reliant India: Subhas Sarkar

Business Standard 

Union Minister of State for Education Subhas Sarkar Friday said that the BJP-led NDA government at the Centre is committed to create systems, processes and policies aimed at developing a self-reliant country. Interacting with students from other states who are in Arunachal Pradesh as part of Yuva Sangam' in Namsai district, Sarkar said that the idea of a sustained and structured cultural connection between the people of different regions was given by Prime Minister Narendra Modi. Yuva Sangam' under... Читать дальше...

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Livestock farming: Additive to make slurry more climate-friendly

Sciencedaily.com 

Livestock farming produces large quantities of greenhouse gases, especially methane, which is particularly harmful to the climate. Among other things, it escapes during the storage of animal excrement, the slurry. A study now shows that methane emissions can be reduced by 99 percent through simple and inexpensive means. The method could make an important contribution to the fight against climate change.


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