"TIL scientist Claire Patterson spent over 20 years trying to convince the public that lead was poison."
But it seem to be true:
https://www.journaldequebec.com/2016/08/19/un-narval-adopte-par-des-belugas-dans
-le-fleuve-saint-laurent
I'm curious, what became of those folks when covid hit and all the ships were drydocked?