Saturday, November 8, 2025

A 500-million-year-old brain "radar" still shapes how you see

New research shows that the superior colliculus, a primitive brain region, can independently interpret visual information. This challenges long-held beliefs that only the cortex handles such complex computations. The discovery highlights how ancient neural circuits guide attention and perception, shaping how we react to the world around us.

from Top Health News -- ScienceDaily https://ift.tt/a7TxLoA

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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 ...