00:00Predator smell changes babies not even born yet?
00:03Impossible, right?
00:04But a secret chemical message changes their DNA forever.
00:08Even generations later, those descendants are born terrified.
00:12The scent triggers tiny on-off switches on genes, passed down.
00:16This unseen ancestral fear changes future generations.
00:20For more wild science, check the link in bio.
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