Fearful memories haunt mouse descendants

nature.com

> But some researchers are sceptical of the findings because a biological mechanism that explains the phenomenon has not been identified.

Is this just bad writing or bad science? Just because we don't know what causes 'dark matter' and only detect its effects we don't deny that the effect exists.

I suppose if there turns out to be a non-genetic explanation than the sceptics were right all along. This seems even more far fetched than genetics.

I also wonder if this is one of the reasons some people think they know about their previous lives. Could it be some way for life to pass memories to the next generation for optimal survival?

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