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Новости за 18.12.2024

How loss of urban trees affects educational outcomes

Sciencedaily.com 

Economists looked at test scores and school attendance for Chicago-area kids before and after a bug infestation wiped out the city's ash trees. Education outcomes for low-income students went down, highlighting how the impacts of ecosystem degradation are disproportionately felt by disadvantaged communities.

'Bad' bacteria can trigger painful gut contractions; new research shows how

Sciencedaily.com 

A new study shows how one kind of bacteria, Vibrio cholerae, triggers painful intestinal contractions by activating the immune system. The research also finds a more general explanation for how the gut rids itself of unwanted intruders, which could also help scientists better understand chronic conditions like inflammatory bowel disease.

New polymer ramps up quest for better data storage

Sciencedaily.com 

A new material for high density data storage can be erased and recycled in a more efficient and sustainable way, providing a potential alternative to hard disk drives, solid-state drives and flash memory in future. The low-cost polymer stores data as 'dents', making a miniscule code in patterns, with the indents just nanometers in size -- promising to store more data than typical hard disk drives.

Step forward in generating solar-powered hydrogen

Sciencedaily.com 

Another advance has been made by experts in nano-scale chemistry to propel further development of sustainable and efficient generation of hydrogen from water using solar power. Experts have now identified a novel solar cell process to potentially use in future technologies for photocatalytic water splitting in green hydrogen production.



AI Signal Vulnerability May Invite Model Theft

PYMNTS.com 

Researchers say they have demonstrated a potential method to extract artificial intelligence (AI) models by capturing electromagnetic signals from computers, claiming accuracy rates above 99%. The discovery could pose challenges for commercial AI development, where companies like OpenAI, Anthropic and Google have invested heavily in proprietary models. However, experts say that the real-world implications and […]

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Share Market Highlights 18 December 2024: Markets slide ahead of Fed outcome; Sensex dips 502 pts, Nifty ends below 24,200

Thehindubusinessline.com 

Sensex, Nifty updates on December 18, 2024: Equity benchmark indices Sensex and Nifty stayed on the back foot for the third straight session on Wednesday as investors offloaded utility, capital goods and metal stocks amid foreign fund outflows. The 30-share BSE benchmark Sensex tumbled 502.25 points or 0.62 per cent to settle at 80,182.20, taking its downtrend to the third day. During the day, it tanked 634.38 points or 0.78 per cent to 80,050.07. The NSE Nifty declined 137.15 points or 0.56 per... Читать дальше...

Stock Market Live Updates: Sensex, Nifty open marginally lower

Thehindubusinessline.com 

Sensex, Nifty, Share Prices LIVE: Sensex slipped 88.98 points or 0.11 per cent to 80,595.47 as at 9.18 am, and Nifty 50 was down 21.90 points or 0.09 per cent to trade at 24,314.10. Gift Nifty had indicated a weak opening for domestic markets on Wednesday. Analysts expect the market to remain volatile ahead of the Fed policy outcome that will be out post market hours. Another big selling spree of over ₹6,400 crore by foreign portfolio investors on Tuesday rekindled fears among market participants, who believed selling by them was over. Читать дальше...

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Москва

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Uber and its CEO donate $1 million each to Trump's inaugural fund

Economictimes.indiatimes.com 

Uber Technologies and CEO Dara Khosrowshahi each contributed $1 million to President-elect Donald Trump's inaugural fund. Several companies, including Meta Platforms, are making similar donations. OpenAI CEO Sam Altman also plans a personal $1 million contribution. These donations follow Trump's November election victory.

What to know about the Cash App murder verdict

CBSNews.com 

Tech consultant Nima Momeni has been found guilty of second-degree murder in the 2023 stabbing of Cash App founder Bob Lee. CBS News Bay Area reporter Lauren Toms has more details.


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