Новости за 03.12.2024

Former Who Wants To Be A Millionaire? presenter Chris Tarrant has confirmed his retirement from TV after 50 years.

Trying to improve the efficiency of solar cells to become independent from fossil energy sources is a major goal of solar cell research. Physicists now combine perovskite with organic absorbers to form a record-level tandem solar cell.

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The University of Alaska Fairbanks released a new report this week highlighting environmental changes and extremes that impact Alaskans and their livelihoods. 'Alaska's Changing Environment' provides people with timely, reliable and understandable information on topics ranging from temperature and precipitation changes to salmon and polar bears.

Chickens have been a mainstay in Australian backyards for generations. New research reveals that owners see their chickens as a blend between pet and livestock as well as a trustworthy source of food.

Brain tissue is among the most energetically costly in the body, and as a result, larger-brained mammals require more energy to support brain growth and maintenance. Exactly which biological changes allowed human ancestors to meet the very high needs for energy as they evolved larger brains has remained unclear. A new study points to the role of gut microbes, tiny living organisms in our digestive system that help break down food and produce energy.

A research group has discovered that in mammals, a protein kinase A (PKA) promotes wakefulness, while protein phosphatase 1 (PP1) and calcineurin promote sleep. This study revealed that the balance between sleep and wakefulness is regulated by the action of multiple enzymes, which is an important finding when considering how to control sleep duration and sleepiness at the molecular level.

The hydrogen atoms of [4Fe-4S] type ferredoxin, one of the electron carriers, have been visualized and both experiments and calculations have revealed the mechanisms that control the redox potential. Aspartic acid (Asp64) located a distance away from the [4Fe-4S] cluster of ferredoxin, was found to be the control switch, an evolutionarily conserved mechanism.

A 10-minute brain scan can predict the effectiveness of a risky spinal surgery to alleviate intractable pain. The result gives doctors a much-needed biomarker to discuss with patients considering spinal cord stimulation.

Die Hunderettung Europa e.V. engagiert sich leidenschaftlich für den Schutz und die Rettung unserer vierbeinigen Freunde. Durch kontinuierliche Rettungsaktionen für herrenlose Hunde in ganz Europa werden Tiere aus misslichen Lagen befreit und haben die Chance auf ein neues Leben. Mit einer nachhaltigen Vermittlung obdachloser Hunde an liebevolle Familien sorgt der Verein dafür, dass diese Tiere […]

Magic is truly the only explanation for these headache-preventing "wine wands" and these space-saving travel bags.

The role of China Eastern Airlines carrying Chilean exports into the Asian giant was highlighted Monday in Beijing, on the opening day of the Chile Week event. China's share in Chile's forestry and livestock shipments rose from 13% in 2013 to 30% in 2023, it was also explained.

Researchers have developed a platform to help AI learn to perform complex tasks more like humans. Called 'GUIDE,' it works by allowing humans to observe AI's actions in real-time and provide ongoing, nuanced feedback. Rather than relying on huge datasets, human trainers offer detailed guidance that fosters incremental improvements and deeper understanding. In its debut study, GUIDE helps AI learn how best to play hide-and-seek.

Tiger Woods still has the passion to compete and is working to get his body back in shape for next year, he said on Tuesday at the Hero World Challenge in Albany, Bahamas, after another injury curtailed his 2024 season. Woods has not played since July and he underwent surgery for nerve impingement on his […]

A nearly eight-minute clip from the December 13 release features orcs, Rings, Helm's Deep, and maybe a ghost king.

Full retirement age set to be updated from 66 to 67 years to 68 to 70 years in 2025

BEIRUT, Dec. 3 (Xinhua) -- Israel on Tuesday launched an airstrike on the southern Lebanese town of Shebaa, killing one person, in what Lebanese media described as a violation of a newly-reached ceasefire with Hezbollah.

SAN FRANCISCO, Dec. 3 (Xinhua) -- Amazon Web Services (AWS), Amazon's cloud computing division, launched on Tuesday a new tool to combat AI hallucinations, the scenarios where an AI model behaves unreliably.

The tree is a Engelmann Spruce harvested last week outside Bozeman in coordination with Montana Department of Natural Resources and Conservation, the Montana Logging Association and Mike Duffy Logging.

Cyber Monday is extended for these deals from Fitbit, Apple, Garmin, Whoop, Oura, Samsung, and more.

Khloe Kardashian is not keeping up with the current dating scene. Three years after her breakup with basketball pro Tristan Thompson—father to her daughter True, 6, and son Tatum, 2—The...

A decades-old rule allows companies to pay workers with disabilities less than a dollar an hour

Researchers at TU Delft have discovered that E. coli bacteria can synchronize their movements, creating order in seemingly random biological systems. By trapping individual bacteria in micro-engineered circular cavities and coupling these cavities through narrow channels, the team observed coordinated bacterial motion. These findings have potential applications in engineering controllable biological oscillator networks.

Victor Willis, who co-wrote the track, threatened to sue organizations that associate the song with gay culture