Dead neuron clean-up crew in peripheral nervous system found -
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Biochemists have identified members of the "clean-up crew" -- including a protein named Jedi-1 -- responsible for getting rid of the corpses of dead sensory neurons in the peripheral nervous system following apoptosis....
Tiny leaf beetles reveal environment's role in speciation -
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Unnoticed by the nearby residents of St. Johnsbury, Vermont, tiny leaf beetles that flit among the maple and willow trees in the area have just provided some of the clearest evidence yet that environmental factors play a major role in the formation of new species.....