2026年9月24日星期四
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विज्ञान

अंतरिक्ष, जीवन विज्ञान और जलवायु अनुसंधान में प्रगति

कुल 385 आइटम
विज्ञानयूनाइटेड किंगडम

What is the most-used Beatles song in academic paper titles?

Feedback enjoys a new piece of research delving into papers whose titles mention Beatles songs – but wonders if there is an ulterior motive at work for those w…

विज्ञानयूनाइटेड किंगडम

This week’s new questions

If every ship on the planet were hauled out of the water, how much would global sea levels change, and how quickly? How different would Earth be if anaerobic l…

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NASA Watches Earth’s Weight, Finds Center of Mass

Seasonal changes redistribute enough water around Earth to shift the planet’s center of mass back and forth by fractions of an inch relative to its geometric c…

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Indonesia’s Anak Krakatau

Anak Krakatau erupts ash and volcanic gases in this Sept. 5, 2026, image acquired with the OLI (Operational Land Imager) on Landsat 8. Eruptions are a regular…

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Curiosity Postcard Celebrates Rover’s 5,000th Day on Mars

Description While parked at a sand ridge nicknamed “Chocolatal,” NASA’s Curiosity Mars rover used its black-and-white navigation cameras to capture panoramas a…

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NASA Astronaut Reid Wiseman to Join NFL Fans in Baltimore

As part of NASA’s new Inspiration Tour, Reid Wiseman, NASA astronaut and commander of the agency’s Artemis II mission, will highlight America’s strengths in sp…

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Meet a mouse whose brain cortex is made up of human cells

Multiple cameras tracked a mouse as it wandered around a small arena. A computer charted its position and speed, leaving Pong-like traces on a monitor.  T…

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NASA’s Integrated Medical Model (IMM)

Planning crewed missions to the Moon and Mars involves preparing for the medical realities of long-duration space travel. Factors like cosmic radiation, microg…

विज्ञानअमेरिका

Building the materials foundation for AI

The AI boom is becoming a materials challenge. As AI pushes computing into new territory, the materials behind that infrastructure are becoming just as crucial…

विज्ञानअमेरिका

Venus may have swallowed its own moon

Venus may have once had a moon, but new research suggests the planet’s incredibly slow rotation could have doomed it. Computer simulations showed that instead…

विज्ञानयूरोप

Faster-flowing glaciers fuel decades of polar ice loss

The longest satellite data record of ice-sheet change ever assembled has revealed that Greenland and Antarctica have lost a staggering 11 trillion tonnes of ic…

विज्ञानयूरोप

Purple swirls on the Red Planet

This image shows a prominent ice cliff near Mars’s south pole. With striking swirls of purple, pink and red, it’s a far cry from the colour palette we usually…

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APOD: 2026 September 16 – Webb’s View of M64

APODScienceAPODAPOD: 2026 September 16 –…Today’s APODArchiveSubmissionsIndexSearchCalendarRSSEducationAboutDiscuss APOD Astronomy Picture of the Day Discover t…

विज्ञानवैश्विक दृष्टिकोण

High-efficiency production of multifunctional silver nanoparticles from Lagenaria siceraria Sandıklı ecotype via hydrothermal synthesis for biomedical and dielectric applications with phytochemical profiling

High-efficiency production of multifunctional silver nanoparticles from Lagenaria siceraria Sandıklı ecotype via hydrothermal synthesis for biomedical and dielectric applications with phytochemical profiling

विज्ञानवैश्विक दृष्टिकोण

Little red whats?

Little red whats?

विज्ञानअमेरिका

NASA Ames Stars of the Month: September 2026

The NASA Ames Science Directorate recognizes the outstanding contributions of (pictured left to right) Steve Ormsby, Aphrodite Kostakis, Alejando Borlaff, Sara…

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What even is an AI kill switch?

<p>Amid renewed calls to slow frontier AI, experts are considering what an emergency stop would entail&mdash;and who would decide when to use it</p>

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How pizza can solve this unusual math puzzle

<p>Moser&rsquo;s circle problem can be used to divide a pizza into one, two, four, eight, 16 or 31 slices. It&rsquo;s a perfect example of how the numbers in a…

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Roundtables: Could AI really kill us all?

Listen to the session or watch below Employees at the world&#8217;s leading AI labs are saying there&#8217;s a real possibility that advanced AI could destroy…

विज्ञानअमेरिका

The U.S. has weapons in space

<p>A high-ranking official announced yesterday that the U.S. military has deployed weapons into orbit to counter threats from Russia and China</p>

विज्ञानअमेरिका

Which million-dollar math problem could AI solve next?

<p>After an OpenAI model presented a possible solution to the Navier-Stokes problem, mathematicians are speculating about which major unsolved question could b…

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This Australian cave hid 25,000 years of ritual secrets

Microscopic plant remains are revealing how GunaiKurnai ancestors used Cloggs Cave for ritual practices over thousands of years. People deliberately gathered w…

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Webb reveals stunning panorama of star formation

This starry view of the nearby star-forming region IC 348 is one of the largest images from the NASA/ESA/CSA James Webb Space Telescope released to the public…

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What&#8217;s at stake in AI’s trillion-dollar gamble

When Jessica Wachter, a finance professor at the University of Pennsylvania’s Wharton School, wanted to assess AI’s impact on the economy over the next few yea…

विज्ञानअमेरिका

Why we love unexplainable mysteries

<p>The biggest questions in science inspire us even when we lack answers</p>

विज्ञानअमेरिका

Will we ever know how life began?

<p>Scientists disagree on how biology got started and on whether we can ever know for sure</p>

विज्ञानअमेरिका

Finding meaning in the impossible

<p>Some questions may never be answered, but maybe that&rsquo;s not the point</p>

विज्ञानअमेरिका

Can humans live forever?

<p>Scientists are pursuing the limits of longevity</p>

विज्ञानअमेरिका

Science crossword: Broken thoughts

<p>Play this crossword inspired by the October 2026 issue of<i> Scientific American</i></p>

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Are darker egg yolks really healthier?

<p>Deep-orange yolks could have a slight health benefit, but it&rsquo;s easy for producers to fake it</p>

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What if we never find dark matter?

<p>Could the hunt for the universe&rsquo;s missing matter be the biggest wild goose chase in scientific history?</p>

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Readers respond to the May 2026 issue

<p>Letters to the editors for the May 2026 issue of <i>Scientific American</i></p>

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In This Issue

Proceedings of the National Academy of Sciences, Volume 123, Issue 37, September 2026. <br/>

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FLEX and Sentinel-3C launch highlights

Video: 00:03:22 ESA’s state-of-the-art FLEX Earth Explorer satellite and the Copernicus Sentinel-3C satellite have been launched together aboard a Vega-C rocke…

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FLEX and Sentinel-3C launched

The European Space Agency’s FLEX Earth Explorer satellite and the Copernicus Sentinel-3C satellite have been launched together aboard a Vega-C rocket from Euro…

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The AI industry has taken a doomer turn. What now?

This story appeared in The Algorithm, our weekly newsletter on AI. To get stories like this in your inbox first,&#160;sign up here. This weekend, Dario Amodei,…

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Donated livers can be made biologically younger

Once an organ is removed from a donor’s body, the clock starts ticking. Surgeons usually flush the organ with a preservative solution, bag it, and put it on ic…

विज्ञानअमेरिका

AI agents blew the whistle on their cheating colleagues

A group of AI agents asked to solve a series of math problems split into rival factions—when some cheated, others tried to stop them. That whistleblowing behav…

विज्ञानअमेरिका

Is there a hidden 'Planet 9' in our solar system?

For more than a century, astronomers have been captivated by the idea that an undiscovered planet could be lurking in the furthest reaches of our solar system.

विज्ञानयूरोप

ESA’s FLEX mission reveals the secret glow of plants

Video: 00:06:30 Plants may look still and silent, but every leaf is constantly responding to its environment. As plants photosynthesise, they emit an incredibl…

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Back-to-back Arctic storms can double sea ice loss

Scientists have found that Arctic cyclones become especially destructive when several strike one after another. These storm clusters cause about twice as much…

विज्ञानवैश्विक दृष्टिकोण

Scientists find a new layer of Alzheimer’s hidden in the genome

Scientists found that the 3D organization of DNA is disrupted in several types of brain cells affected by Alzheimer’s disease, altering how important genes are…

विज्ञानवैश्विक दृष्टिकोण

Physicists can’t agree on how the Universe works

A massive worldwide survey of physicists has revealed surprisingly little agreement about some of the universe’s biggest mysteries. No majority backed the stan…

विज्ञानवैश्विक दृष्टिकोण

Physicists discover a hidden “curveball” in quantum light

Researchers have experimentally demonstrated the optical Magnus effect for the first time, revealing that a tightly focused laser interacts most strongly with…

विज्ञानवैश्विक दृष्टिकोण

Venus’s pale yellow clouds may hide something surprisingly dark

A century-old mystery in Venus’s clouds just became more intriguing, as scientists calculated how strongly the unidentified material behind its dark ultraviole…

विज्ञानवैश्विक दृष्टिकोण

Scientists discover a hidden switch that shuts down inflammation

Scientists have uncovered a natural braking system that helps the immune system switch off inflammation and prevent harmful immune cells from building up. Boos…

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The secret to longer life may be hidden in bat DNA

Long-lived bats appear to combine powerful immune defenses with unusual strategies for eliminating damaged cells, potentially helping them avoid cancer and dis…

विज्ञानवैश्विक दृष्टिकोण

How the mosquito’s carbon dioxide sense gets an internal boost

<p>by Chih-Ying Su</p> Mosquitoes use CO2 as a critical cue to sense if humans are nearby. A new study in PLOS Biology reveals that CO2-sensing neurons in mosq…

विज्ञानयूरोप

Week in images: 07-11 Sep 2026

Week in images: 07-11 Sep 2026 Discover our week through the lens

विज्ञानवैश्विक दृष्टिकोण

Doping by degradation

Doping by degradation

विज्ञानवैश्विक दृष्टिकोण

The topology of the Universe

The topology of the Universe

विज्ञानवैश्विक दृष्टिकोण

Weaving braids of defect lines

Weaving braids of defect lines

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Have we found alien life? Hundreds of scientists weigh in

Two major alien-life announcements in 2025 generated enormous excitement, but most astrobiologists remained unconvinced. Only 6.6% of surveyed experts thought…

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To sleep and dream: Unraveling narcolepsy

Proceedings of the National Academy of Sciences, Volume 123, Issue 37, September 2026. <br/>In an extraordinary convergence, Emmanuel Mignot and Masashi Yanagi…

विज्ञानवैश्विक दृष्टिकोण

Seaweed carbon removal cannot keep up with climate-driven loss

<p>by Karen Filbee-Dexter, Albert Pessarrodona, Kira A. Krumhansl, Thomas Wernberg</p> The prevailing narrative of seaweed carbon as a possible climate change…

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Anak Krakatau eruption by Sentinel-3

Image: Copernicus Sentinel-3 captured a plume from the eruption of Anak Krakatau on Saturday, 5 September.

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Transthyretin can denature by an alternative pathway

Proceedings of the National Academy of Sciences, Volume 123, Issue 37, September 2026. <br/>SignificanceIt is surprising that transthyretin (TTR) has an aggreg…

विज्ञानवैश्विक दृष्टिकोण

Little Red Dots 2026

Little Red Dots 2026

विज्ञानवैश्विक दृष्टिकोण

On our bookshelf

On our bookshelf

विज्ञानयूनाइटेड किंगडम

Analysis: UK solar power hits record high over summer 2026

Solar power generation in the UK reached a new record over the summer of 2026, as temperatures across the nation&#8230; The post Analysis: UK solar power hits…

विज्ञानवैश्विक दृष्टिकोण

How the brain dances across critical boundaries

<p>by Audrey J. Sederberg</p> The brain’s functional connectivity dynamics have been explained by a critically tuned model, but such models miss occasional rec…

विज्ञानवैश्विक दृष्टिकोण

The 100 Diatom Genomes Project

<p>by Thomas Mock, Gust Bilcke, Eliott Flaum, Shunan Fu, Lilian Hoch, Kevin Moog, Nadine Rijsdijk, Elizabeth C. Ruck, Ian W. Bishop, Carole Duchene, Reuben Gil…

विज्ञानवैश्विक दृष्टिकोण

Basic research into Women’s Health should be a priority for all

<p>by Joanna Clarke, on behalf of the PLOS Biology Staff Editors </p> Despite recent progress in clinical research into Women’s Health, basic research is still…

विज्ञानवैश्विक दृष्टिकोण

Ecological theory sheds light on plasmid diversity and dynamics

<p>by Rémi Tuffet, Emma Acacia, Charles Coluzzi, Xavier Charpentier, Thomas Koffel, Samuel Venner</p> Bacterial genomes are remarkably dynamic, shaped by horiz…