SMRTR Science & EngineeringOct 21, 2025Interesting Engineering

50-year mystery solved as China’s nanotech camera captures neurons ‘kissing’

SMRTR summary

Chinese scientists developed the world's first nanotech camera capable of capturing neurons "kissing" during communication, resolving a 50-year debate about how brain cells transmit signals. Their revolutionary imaging system revealed a "kiss-shrink-run" process where synaptic vesicles briefly touch cell membranes within four milliseconds before detaching.

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