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Новости за 18.06.2024

Joe Biden's 'sex' agenda crashes and burns for third time

WND 

For the third time in just recent weeks, Joe Biden's "sex" agenda has crashed and burned when it has faced a federal judge. The newest rejection of his rewrite to the decades-old Title IX law that changes the definition of "sex" to "gender identity" or ideology, comes from a judge in Kentucky who, in his…

Origins of cumulative culture in human evolution

Sciencedaily.com 

Cumulative culture -- the accumulation of technological modifications and improvements over generations -- allowed humans to adapt to a diversity of environments and challenges. But, it is unclear when cumulative culture first developed during hominin evolution. A new study concludes that humans began to rapidly accumulate technological knowledge through social learning around 600,000 years ago.

New technology allows researchers to precisely, flexibly modulate brain

Sciencedaily.com 

Researchers have developed a noninvasive technology combining a holographic acoustic device with genetic engineering that allows them to precisely target affected neurons in the brain, creating the potential to precisely modulate selected cell types in multiple diseased brain regions.

Effective hurricane risk messaging

Sciencedaily.com 

Forecasters can use images in social media to better communicate weather related hazards of hurricanes, according to a pair of new studies.

How the ketogenic diet improves healthspan and memory in aging mice

Sciencedaily.com 

The ketogenic diet has its fanatics and detractors among dieters, but either way, the diet has a scientifically documented impact on memory in mice. While uncovering how the high fat, low carbohydrate diet boosts memory in older mice, scientists identified a new molecular signaling pathway that improves synapse function and helps explain the diet's benefit on brain health and aging.

Maternal inheritance of Alzheimer's disease tied to increased risk of developing disease

Sciencedaily.com 

Researchers analyzed 4,400 cognitively unimpaired adults with amyloid imaging, finding increased amyloid in those who reported that their mothers had symptoms of Alzheimer's disease (AD). Increased amyloid, a biomarker of AD, was also found in those with a history of the disease on both sides of their family and in those whose fathers had an early onset of symptoms. The study suggests that a person's maternal versus paternal family history could have a different impact on risk of accumulating amyloid in the brain.



Towards wider 5G network coverage: Novel wirelessly powered relay transceiver

Sciencedaily.com 

A novel 256-element wirelessly powered transceiver array for non-line-of-sight 5G communication, featuring efficient wireless power transmission and high-power conversion efficiency, has been designed. The innovative design can enhance the 5G network coverage even to places with link blockage, improving flexibility and coverage area, and potentially making high-speed, low-latency communication more accessible.

Wirelessly powered relay will help bring 5G technology to smart factories

Sciencedaily.com 

A recently developed wirelessly powered 5G relay could accelerate the development of smart factories, report scientists. By adopting a lower operating frequency for wireless power transfer, the proposed relay design solves many of the current limitations, including range and efficiency. In turn, this allows for a more versatile and widespread arrangement of sensors and transceivers in industrial settings.

Simplicity versus adaptability: Understanding the balance between habitual and goal-directed behaviors

Sciencedaily.com 

Scientists have proposed a new AI method in which systems of habitual and goal-directed behaviors learn to help each other. Through computer simulations that mimicked the exploration of a maze, the method quickly adapts to changing environments and also reproduced the behavior of humans and animals after they had been accustomed to a certain environment for a long time. The study not only paves the way for the development of systems that adapt quickly and reliably in the burgeoning field of AI, but... Читать дальше...

New material puts eco-friendly methanol conversion within reach

Sciencedaily.com 

Researchers have developed innovative, eco-friendly quantum materials that can drive the transformation of methanol into ethylene glycol. This discovery opens up new possibilities for using eco-friendly materials in photocatalysis, paving the way for sustainable chemical production.

Custom-made molecules designed to be invisible while absorbing near-infrared light

Sciencedaily.com 

Researchers used theoretical calculations assessing electron orbital symmetry to synthesize new molecule designed to be both transparent and colorless while absorbing near-infrared light. This compound demonstrates the first systematic approach to producing such materials and have applications in advanced electronics. This compound also shows semiconducting properties.

NASA rover discovers mysterious light-toned boulder "never observed before" on Mars - CBS News

Top Stories (us) - Google News (ru) 

  1. NASA rover discovers mysterious light-toned boulder "never observed before" on Mars  CBS News
  2. NASA's Perseverance Mars rover enters new Red Planet territory: 'Bright Angel'  Space.com
  3. NASA rover drives through ancient Mars river, snaps stunning view  Mashable
  4. NASA's Perseverance Fords an Ancient River to Reach Science Target  NASA Jet Propulsion Laboratory
  5. Bright Rocks And "Bright Angel"  Mirage News

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Treating the gut-brain connection with B vitamins to treat Parkinson's Disease

Sciencedaily.com 

A study has revealed a link between gut microbiota and Parkinson's disease. The researchers discovered a decrease in bacterial genes related to the synthesis of vitamins B2 and B7. The lack of these genes was associated with reduced intestinal short-chain fatty acids and polyamines, agents that maintain the intestinal barrier and prevent the leakage of toxins into the blood that can then access the brain. Using B vitamin therapy to address these deficiencies may restore the barrier and treat Parkinson's disease.

Nile perch invasion triggered genetic bottlenecks in Lake Victoria's endemic cichlids

Sciencedaily.com 

Newfound evidence reveals that the upsurge of the exotic Nile perch in Lake Victoria had long-lasting effects on the genetic diversity of various local cichlid species, report scientists. Through large-scale comparative genomic analyses, the researchers found concrete proof in the collective genome of multiple species that this artificially introduced perch decimated many local fish populations, causing a 'bottleneck effect.'

Climate change: rising temperatures may impact groundwater quality

Sciencedaily.com 

As the world's largest unfrozen freshwater resource, groundwater is crucial for life on Earth. Researchers have investigated how global warming is affecting groundwater temperatures and what that means for humanity and the environment. Their study indicates that by 2100, more than 75 million people are likely to be living in regions where the groundwater temperature exceeds the highest threshold set for drinking water by any country.

Understanding the Green Sahara's collapse

Sciencedaily.com 

Abrupt shifts within complex systems such as the Earth's climate system are extremely hard to predict. Researchers have now succeeded in developing a new method to anticipate such tipping points in advance. They successfully tested the reliability of their method using one of the most severe abrupt climate changes of the past: the shift of the once-green Sahara into a desert.


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