Key Highlights
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A new theory proposes that a specific, deep layer of the brain’s cortex, called layer 6b, plays a central role in directing our attention. This finding could reshape our understanding of how the brain filters important information from the constant stream of sensory input.
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Researchers have mapped how deep brain stimulation (DBS) for Parkinson’s disease changes brain circuits over a full year, using a special MRI-compatible DBS system. This detailed map helps explain why the treatment works and could lead to more personalized and effective therapies for brain disorders.
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Scientists discovered a new quality control system in fungal cells that helps the nucleolus—a vital cellular structure—recover from stress by segregating damaged parts during cell division. This reveals a fundamental mechanism for maintaining cellular health, especially in cells with multiple nuclei, and could inform research on aging and disease.
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A study shows that a key tumor suppressor protein, PP2A-B55α, can switch the degradation pathway of the cancer-promoting protein c-Myc, resolving a long-standing paradox in cancer biology. This discovery opens new avenues for developing therapies that target c-Myc, a major driver of many cancers.
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Researchers traced how different types of tree leaves contribute to long-term carbon storage in soil, finding that slow-decomposing conifer needles are actually more efficient at locking away carbon than broadleaf litter. This counterintuitive result suggests that planting certain types of trees could be a more effective strategy for combating climate change through carbon sequestration.
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