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Scientists at Michigan State University have uncovered the molecular “switch” that powers sperm for their final, high-speed dash toward an egg. By tracking how sperm use glucose as fuel, the team discovered how dormant cells suddenly flip into overdrive, burning energy in a carefully controlled, multi-step process. A key enzyme, aldolase, helps convert sugar into the burst of power needed for fertilization, while other enzymes act like traffic controllers directing the flow of fuel.
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ScienceDaily
An East Bay apartment complex has been bought at a price that's well below its prior value. Read more ›
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A PG&E Corp. unit has bought a San Jose building in a move to bolster the utility's South Bay operations. Read more ›
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Who left the gun shell on Kayce's porch? And when does Marshals: A Yellowstone Story episode 5 hit CBS and Paramount+? Read more ›
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Меня зовут Дмитрий, я руковожу отделом ИТ-инфраструктуры и сервисов в Ви.Tech, IT-дочке ВсеИнструменты.ру. В предыдущих частях я рассказывал про P&L-центры, ценообразование, учет ресурсов и планирование бюджета, а теперь хочу перейти к самой чувствительной части всей этой истории - оптимизации потребления.Здесь уже недостаточно просто собрать цифры в отчет. Нужно понять, где ресурсы реально тратятся неэффективно, что с этим можно сделать без вреда для сервисов и с какими организационными проблемами мы почти Read more ›
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Меня зовут Дмитрий, я руковожу отделом ИТ-инфраструктуры и сервисов в Ви.Tech, IT-дочке ВсеИнструменты.ру. В прошлой части я рассказывал, как мы собираем и считаем потребление вычислительных ресурсов, а теперь хочу перейти к следующему шагу - планированию ИТ-бюджета на базе этих данных.Для этого я обычно использую два дополняющих друг друга подхода: Читать далее Read more ›
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Меня зовут Дмитрий, я руковожу отделом ИТ-инфраструктуры и сервисов в Ви.Tech, IT-дочке ВсеИнструменты.ру. В прошлой части я подробно разбирал ценообразование вычислительных ресурсов, а теперь давайте соберем все это в единую модель учета и посмотрим, как она помогает не просто считать цифры, а принимать вполне прикладные решения.Ниже пройдемся по основным блокам, из которых этот учет складывается.1. Отдельно стоящее оборудованиеПоскольку мы планируем учитывать расходы за месяц, то стоимость покупки оборудо Read more ›
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Сталкивались уже с EvaTeam (российский аналог Jira)? Чувствуете боль при работе с бизнес-процессами (workflow)? Думаю я могу вам немного помочь Читать далее Read more ›
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Four astronauts are about to embark on a historic voyage that will take them around the moon in a spacecraft about the size of a large camper van. During the Artemis II mission, NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, and the Canadian Space Agency’s Jeremy Hansen, will spend 10 days inside the […] Read more ›
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Motorola may be focusing on making its flip phone more practical, instead of chasing on an ultra-thin design. Read more ›
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Its counterproductive lack of upgradability will no longer grate on workstation buyers. Read more ›
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Google is bringing its live translation feature to iOS, turning your headphones into a real-time translator that helps you follow conversations naturally without constantly checking your screen. Read more ›
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After Anthropic's weeks-long standoff with the Pentagon, the company won one milestone: A judge granted Anthropic a preliminary injunction in its lawsuit, which sought to reverse its government blacklisting while the judicial process plays out. "The Department of War's records show that it designated Anthropic as a supply chain risk because of its 'hostile manner […] Read more ›
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I took the Amazon Kindle Scribe Colorsoft and Apple iPad Air out into the sun for a drawing test. I'd only recommend one in direct sunlight. Read more ›
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A federal judge in California granted Anthropic a preliminary injunction halting the Pentagon’s designation of the AI startup as a supply chain risk while Anthropic’s lawsuit against the Department of Defense proceeds. In her order, Judge Rita Lin of the Northern District of California wrote ... Read more ›
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The Gerald R. Ford returned to port in Greece for some maintenance and repairs after a turbulent few months at sea, but she's still ready to go if needed. Read more ›
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White House AI and Crypto Czar David Sacks said Thursday he was joining the President’s Council of Advisors on Science and Technology and leaving the czar role. Read more ›
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или как уместить Вселенную в iPhone, не привлекая внимания санитаровРазработчики — люди в целом неплохие, но с одной странностью: когда задача кажется им большой, они добавляют слой. Потом ещё слой. Потом, в три часа ночи, смотрят на то, что получилось, и долго молчат.Автор проекта «ЭХО» взял и убрал всё лишнее. Без предупреждения, без RFC, без голосования в команде. Остался минимальный Linux, один бинарник на Go и файловая система — всё... Read more ›
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Google announced Search Live in AI Mode in June of last year, and now the feature is expanding to over 200 countries and territories. Basically, it's now available everywhere AI Mode is, and in all languages that AI Mode works in. Search Live is a conversational experience built into Google Search's AI Mode. To enter it, open the Google app on Android or iOS and tap the Live icon under... Read more ›
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It was a brutal day on Wall Street—particularly for shares of Meta Platforms, Reddit and Snap. While the Nasdaq dropped 2.4%, shares of the social media firms plunged between 8% and 10% as the implications of Wednesday’s verdict in the social media addiction lawsuit sank in. That verdict, which found Meta and Google’s YouTube liable for negligence, didn’t concern either Snap or Reddit, mind you. Snap had settled before the... Read more ›
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I stayed under a bad manager longer than I should have. Not someone cartoonishly awful. No shouting, no obvious cruelty. Just a consistent pattern of credit-taking, goal-post moving, and a particular talent for being unavailable whenever things got hard. I knew what was happening. I could see it clearly. And still, I stayed, kept delivering, ... Read more Read more ›
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ScienceDaily
Ravens have long been thought to follow wolves to find food, but new research shows they’re far more strategic. By tracking both animals in Yellowstone, scientists discovered that ravens memorize areas where wolf kills are likely and fly directly to those spots—sometimes from great distances. Rather than trailing wolves, they rely on learned patterns in the landscape. It’s a clever system that highlights just how intelligent these birds really are. Read more ›
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Stopping popular weight-loss injections like Ozempic or Mounjaro might not trigger the dramatic rebound many fear. A large real-world study of nearly 8,000 patients found that most people who discontinue these drugs manage to keep the weight off—or even continue losing—by restarting treatment, switching medications, or adopting lifestyle changes. While earlier clinical trials suggested rapid weight regain, this new evidence paints a more hopeful picture. Read more ›
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A common oral bacterium tied to gum disease may help spark and fuel breast cancer, according to new research. Scientists discovered it can travel through the bloodstream to breast tissue, where it causes DNA damage and speeds tumor growth and spread. It also appears to make cancer cells more aggressive and resistant to therapy. The effect is even stronger in people with BRCA1 mutations, raising new questions about the role... Read more ›
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Researchers have created a cutting-edge catalyst that turns CO2 into methanol more efficiently than ever before. Instead of using clumps of metal atoms, they engineered a system where each single indium atom actively drives the reaction. This dramatically reduces energy needs while making the process easier to study and optimize. The result could accelerate the shift toward cleaner fuels and sustainable chemical production. Read more ›
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A nearby galaxy is behaving strangely—and now scientists know why. The Small Magellanic Cloud’s stars move in chaotic patterns because it slammed into its larger neighbor millions of years ago. That collision disrupted its structure and even created the illusion that its gas was rotating. The discovery means this once “textbook” galaxy may not be as typical as astronomers believed. Read more ›
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A mysterious spike of platinum buried deep in Greenland’s ice has long fueled theories of a catastrophic comet or asteroid strike 12,800 years ago—possibly triggering a sudden return to icy conditions known as the Younger Dryas. But new research points to a far less dramatic, yet still powerful culprit: volcanic eruptions. Scientists found the platinum signal doesn’t match space debris and actually appeared decades after the cooling began, ruling out... Read more ›
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Many people believe closing their eyes sharpens hearing, but that is not always true. In noisy settings, participants struggled more to hear faint sounds with their eyes closed, while matching visuals made it easier. Researchers found that shutting the eyes leads the brain to over-filter incoming sounds. Keeping your eyes open may actually improve how well you hear in noise. Read more ›
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Scientists have found a way to make one of the most aggressive brain tumors vulnerable to the immune system. A single injection of a modified virus can invade glioblastoma, kill cancer cells, and summon immune fighters deep into the tumor. These immune cells persist and attack, which was linked to longer survival in patients. Read more ›
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A shingles vaccine might double as a powerful heart protector. In people already at high risk, it cut major cardiac events by 46% and deaths by an impressive 66% within a year. Scientists think preventing shingles may also stop clot-related complications that can lead to heart attacks and strokes. The effect is so strong, it rivals the benefits of quitting smoking. Read more ›
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The largest review of medicinal cannabis to date found it doesn’t effectively treat anxiety, depression, or PTSD—despite millions using it for those reasons. Researchers warn it could even make mental health worse, raising risks like psychosis and addiction while delaying proven treatments. Some limited benefits were seen for conditions like insomnia and autism, but the evidence is weak. The findings are fueling calls for stricter oversight as cannabis use continues... Read more ›
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26.03.2026 22:12
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