[inversetelecine]

It's hard, because sometimes I'm told "The science is settled" then other times I'm told it's always changing.

[zouhair]

"Settled" does not mean it cannot be tweaked by new information.

It is best explained by Isaac Asimov in his small essay "The Relativity of Wrong"[0].

[0]: https://hermiene.net/essays-trans/relativity_of_wrong.html