Phys.org
A vital Atlantic current is fading far faster, threatening Europe, Africa and North America by 2100
The Atlantic Meridional Overturning Circulation, a critical ocean current system that distributes heat across the planet, is declining at a pace significantly faster than previously projected. A new study warns the system could weaken dramatically by 2100, disrupting climate patterns across Europe, Africa, and North America. The implications range from plummeting temperatures in Europe to intensified droughts and rising sea levels along the U.S. East Coast.
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Scientists say a critical Atlantic ocean current is weakening and the world could feel the impact
The Atlantic Meridional Overturning Circulation, a major ocean current system that acts as a key regulator of global climate, is showing significant signs of weakening across the North Atlantic. Scientists have tracked the slowdown over nearly two decades, raising alarms about its long-term trajectory. If the trend continues, consequences could include disrupted storm patterns, shifting rainfall, rising sea levels, and harsher winters across Europe and North America.
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Scientists successfully transfer longevity gene and extend lifespan
Researchers at the University of Rochester successfully transferred a longevity gene from naked mole rats — animals renowned for their exceptionally long lifespans — into mice, resulting in extended lifespan and measurable health improvements. The gene drives higher production of high molecular weight hyaluronic acid, a compound linked to cancer resistance, reduced inflammation, and cellular protection. The modified mice demonstrated stronger tumor resistance and healthier gut function, raising compelling questions about whether similar interventions could one day apply to human aging.
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Scientists stunned as volcano cloud destroys methane in the atmosphere
The 2022 eruption of Hunga Tonga–Hunga Ha'apai didn't just devastate the South Pacific — it may have inadvertently scrubbed significant quantities of methane from the atmosphere. Scientists traced elevated formaldehyde levels to a chemical reaction between volcanic ash, seawater, and sunlight that produced reactive chlorine particles capable of breaking down the potent greenhouse gas. The discovery opens a new line of inquiry into natural atmospheric chemistry that researchers hope could inform future climate mitigation strategies.
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Antarctica is melting from below and scientists say it’s worse than expected
Antarctica's floating ice shelves are being eaten away from beneath by warm ocean water funneled through hidden channels carved into the ice — a process current climate models have largely failed to account for. The discovery implicates even East Antarctica, long considered a stable anchor against rising seas, as a potential contributor to accelerated melt. Scientists warn that sea level rise projections may need a significant upward revision as a result.
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