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Новости за 27.10.2021

Why the US is always hitting a “debt ceiling”

Vox 

Is the huge US national debt a problem?

Nearly every year since 2011, America seems to teeter on the edge of a crisis as the national debt comes dangerously close to hitting the “debt ceiling,” and the president and Congress fight over raising it. The “debt ceiling” is really just a limit on how much debt the country can take on. While the US isn’t the only country to have one, it is the only country to have legislation that regularly puts it on the brink of economic disaster.

The current US debt is nearing $29 trillion. Читать дальше...

[Football] Mortazavi Named NAIA Football Special Teams Player of the Week

Kansas Collegiate Athletic Conference Baseball 

KANSAS CITY, Mo. — Kaivon Mortazavi of Avila University was named the NAIA Football Special Teams Player of the Week, the national office announced Monday. Earlier on Monday, Mortazavi had been named the KCAC Football Special Teams Player of the Week. In both instances, Mortazavi was recognized for his performance in contests ranging from Oct. 18-24.

[Volleyball] Women' s Volleyball Still Receiving Votes

Mount Vernon Nazarene Cougars 

KANSAS CITY, Mo. — The Mount Vernon Nazarene University women's volleyball team (26-6, 11-5) is still receiving votes in the NAIA Women's Volleyball Coaches' Top 25 Poll.



Optimal concentrations of enzymes and their substrates

Sciencedaily.com 

Biological cells invest much of their resources into the production of enzymes, which catalyze the conversion of substrates into products. An international team of bioinformaticians and biophysicists discovered that these processes are most efficient at a certain relationship between the intracellular enzyme and substrate concentrations.

Flexible device could treat hearing loss without batteries

Sciencedaily.com 

Some people are born with hearing loss, while others acquire it with age, infections or long-term noise exposures. In many instances, the tiny hairs in the inner ear's cochlea that allow the brain to recognize electrical pulses as sound are damaged. As a step toward an advanced artificial cochlea, researchers report a conductive membrane, which translated sound waves into matching electrical signals when implanted inside a model ear, without requiring external power.

Brain connectivity is lower in adults with PTSD or a history of sexual abuse

Sciencedaily.com 

A study has found that adults with maltreatment-related posttraumatic stress disorder or a history of sexual abuse have lower brain connectivity in the attention systems known as the ventral and dorsal attention network. These networks enable us to shift attention from external events to a specific task. The team also found that oxytocin, a hormone associated with social affiliation as well as stress response, increases brain connectivity in those systems.





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