Researchers unveiled camouflaged nanorobots that direct macrophage behavior to boost neural tissue repair, reporting preclinical improvements in regeneration metrics. The work combines targeted nanotechnology with immune modulation to reshape the injury microenvironment. Complementing that, a Johns Hopkins team published mechanistic studies on oligodendrocyte progenitor cell (OPC) differentiation—mapping extracellular matrix changes and ‘dandelion clock‑like structures’ (DACs) that accompany remyelination—relevant to multiple sclerosis and remyelination strategies. What happened: Two independent advances target neural repair from immune‑engineering and progenitor cell differentiation angles, respectively. Sources: the nanorobot study by Guo/Wang/Jiang et al., and Bergles et al. published in Science. Translational note: nanomedicine‑based immune steering and intrinsic OPC differentiation programs represent complementary routes to enhance regeneration after CNS injury.