A Caenorhabditis elegans worm squirms its way through a compost heap, sensory neurons in its nose helping it navigate oxygen and carbon dioxide cues as it searches for food.

The lab of Harvard Medical School geneticist Max Heiman studies these neurons to illuminate nervous system development and uncover clues about how things go awry in humans, leading to neurodevelopmental disorders and neurodegeneration. Continue Reading at HMS News...