Hmmm...I recall reading a story once where the villaness knew /just/ enough about population size and demographics to know that something was very, very wrong with one of the groups she was collecting for her evil scheme. She didn't figure out exactly what had happened...but knew it had to be bad.
So. "Someone uses statistics* to figure out something is very wrong/something very bad has happened."
*Or possibly another science - high levels of recessive genetic disorders could indicate a bottleneck event.
Knowledge of therapy could help identify mental trauma...which is concerning if it affects too high a % of the population. (And especially if everyone just assumes "Well, everyone has nightmares, right? You don't? That's so weird!")
And a separate medical variant:
How to explain modern-esque medicine to someone with from a low-tech society, so they don't go all Help Mistaken For Attack, or believe they've been abducted by aliens.
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dancing_serpent
(no subject)
Date: 2021-07-06 11:43 pm (UTC)So. "Someone uses statistics* to figure out something is very wrong/something very bad has happened."
*Or possibly another science - high levels of recessive genetic disorders could indicate a bottleneck event.
Knowledge of therapy could help identify mental trauma...which is concerning if it affects too high a % of the population. (And especially if everyone just assumes "Well, everyone has nightmares, right? You don't? That's so weird!")
And a separate medical variant:
How to explain modern-esque medicine to someone with from a low-tech society, so they don't go all Help Mistaken For Attack, or believe they've been abducted by aliens.