Sunday, November 30, 2025

Why some memories last a lifetime while others fade fast

Scientists have uncovered a stepwise system that guides how the brain sorts and stabilizes lasting memories. By tracking brain activity during virtual reality learning tasks, researchers identified molecules that influence how long memories persist. Each molecule operates on a different timescale, forming a coordinated pattern of memory maintenance. The discoveries reshape how scientists understand memory formation.

from Top Health News -- ScienceDaily https://ift.tt/9xXGokv

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Old muscle stem cells can act young again but there’s a catch

Scientists at UCLA discovered a surprising reason aging muscles heal more slowly. In older muscle stem cells, a protein called NDRG1 builds ...