ScienceDaily
The Universe is expanding too fast and scientists still can’t explain it
The Universe is expanding roughly 8% faster than the standard cosmological model predicts, and a landmark international study has now effectively ruled out measurement error as the culprit. Scientists cross-validated multiple distance-measuring techniques to confirm the discrepancy is real — a persistent anomaly known as the Hubble tension. If no fix emerges within existing physics, the entire framework underpinning our understanding of the cosmos may need to be rewritten.
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Why Ozempic doesn’t work for everyone: Scientists just found a hidden reason
One in ten people may be biologically predisposed to resist the effects of GLP-1 drugs like Ozempic and Wegovy, according to new research identifying specific genetic variants that blunt the body's response to the medication. These individuals paradoxically produce more of the very hormone these drugs mimic, yet their systems fail to act on it effectively. The finding could reshape how physicians screen patients before prescribing what have become the world's most sought-after weight-loss treatments.
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Life on Mars? Tiny cells just survived shock waves and toxic soil
Yeast cells have survived simulated Martian shock waves and toxic perchlorate salts in lab experiments, suggesting life could endure two of the Red Planet's most punishing conditions. The cells' survival hinged on forming protective molecular clusters that shield critical functions under stress — without them, survival rates dropped sharply. The findings point to a potentially universal biological strategy that could apply to life beyond Earth.
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Hidden weak spots in HIV and Ebola revealed with breakthrough nanodisc technology
Scientists have developed a nanodisc-based platform that replicates the membrane environment of real viruses, exposing hidden structural vulnerabilities in HIV and Ebola that conventional research methods overlooked. The technology reveals how antibodies actually interact with viral proteins in their natural state, providing a clearer picture of immune system responses. These findings could significantly accelerate the design of more effective vaccines against some of the world's most dangerous pathogens.
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Oldest dog DNA suggests 16,000 years of human companionship
Dogs have been man's best friend far longer than scientists previously believed. Ancient DNA analysis has pushed back the timeline of human-canine companionship to nearly 16,000 years ago — roughly 5,000 years earlier than prior estimates. The finding reshapes our understanding of when and how humans first formed lasting bonds with domesticated animals.
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