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I recently attended a talk on neutrinos, where the speaker said there are billions of neutrinos passes through our body every second, but in our lifetime the probability of alteast one neutrino interacting with our body is very low. It is weakly interacting why? Is there any reason?

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marked as duplicate by John Rennie, ACuriousMind, mpv, RedGrittyBrick, FraSchelle Feb 4 '16 at 17:44

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