2025-09-20 19:02:36前沿信息
Stanford scientists reveal simple shift that could prevent strokes and obesity nationwide

Switching clocks twice a year disrupts circadian rhythms in ways that harm health. Stanford scientists found permanent standard time would reduce obesity and stroke rates nationwide, making it the strongest option over permanent daylight saving time or se

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2025-09-20 18:58:04前沿信息
Hubble just revealed the fiery heart of the Cigar Galaxy

Behind the dusty clouds of the Cigar Galaxy lies a dazzling powerhouse of star formation, where stars are being born ten times faster than in the Milky Way. Astronomers using the Hubble Space Telescope have uncovered massive super star clusters in its cor

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2025-09-20 18:53:31前沿信息
Strange ‘leopard spots’ in a Mars rock could be the strongest hint of life yet

NASA’s Perseverance rover has delivered its most compelling clue yet in the search for life on Mars. A rock sample called “Sapphire Canyon,” taken from the Bright Angel formation in Jezero Crater, shows unusual mineral patterns known as “leopard spots” th

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2025-09-20 18:48:59前沿信息
Brain rhythms reveal a secret switch between old memories and new adventures

Scientists have uncovered how the brain reroutes its communication pathways depending on whether it’s processing something new or recalling the familiar. By fine-tuning the balance between different inhibitory circuits, the brain flexibly shifts between r

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2025-09-20 18:44:28前沿信息
Scientists reverse stroke damage with stem cells

Scientists in Zurich have shown that stem cell transplants can reverse stroke damage by regenerating neurons, restoring motor functions, and even repairing blood vessels. The breakthrough not only healed mice with stroke-related impairments but also sugge

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2025-09-20 18:39:56前沿信息
Soil warming experiments challenge assumptions about climate change

Heating alone won’t drive soil microbes to release more carbon dioxide — they need added carbon and nutrients to thrive. This finding challenges assumptions about how climate warming influences soil emissions.

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2025-09-20 18:35:25前沿信息
This new AI can spot solar storms days before they strike

A new AI model from NYU Abu Dhabi predicts solar wind days in advance with far greater accuracy than existing methods. By analyzing ultraviolet solar images, it could help protect satellites, navigation systems, and power grids from disruptive space weath

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2025-09-20 18:30:53前沿信息
Rare Einstein cross with extra image reveals hidden dark matter

A strange “Einstein Cross” with an extra, impossible fifth image has revealed the hidden presence of a massive dark matter halo. An international team of astronomers, including Rutgers scientists, used powerful radio telescopes and computer modeling to co

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2025-09-20 18:26:22前沿信息
Scientists stunned by salt giants forming beneath the Dead Sea

The Dead Sea isn’t just the saltiest body of water on Earth—it’s a living laboratory for the formation of giant underground salt deposits. Researchers are unraveling how evaporation, temperature shifts, and unusual mixing patterns lead to phenomena like “

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2025-09-20 18:21:50前沿信息
Scientists crack a 50-year solar mystery with a scorching discovery

Scientists from the University of St Andrews have discovered that ions in solar flares can reach scorching temperatures more than 60 million degrees—6.5 times hotter than previously believed. This breakthrough challenges decades of assumptions in solar ph

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2025-09-20 18:17:20前沿信息
The violent collisions that made Earth habitable

Late-stage planetary collisions reshaped Earth and its neighboring planets, delivering water, altering their atmospheres, and influencing their tectonics. New findings suggest these violent impacts were central to both planetary diversity and the origins

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2025-09-20 18:12:48前沿信息
Harvard’s salt trick could turn billions of tons of hair into eco-friendly materials

Scientists at Harvard have discovered how salts like lithium bromide break down tough proteins such as keratin—not by attacking the proteins directly, but by altering the surrounding water structure. This breakthrough opens the door to a cleaner, more sus

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