A new study reveals that microRNAs—tiny regulators of gene expression—play a crucial role in shaping Purkinje cells, rare ...

Researchers studying marmosets discovered that Purkinje cells in the cerebellum help regulate tongue movement by signaling when to stop as the tongue nears its target.

the Purkinje effect makes reds appear darker and greens brighter. Typically, eyes have time to adjust to disappearing sunlight as evening gradually fades the light out. The eye’s rod cells (the ...