Health & Safety Our sensitive teeth likely evolved from the armor of ancient fish 4:31pm May 23, 2025 by Ari Daniel Share URL copied to clipboard! Play Pause There was an error loading the media player. 300x250 Ad More All Things Considered National Young people sued Montana over climate change and won. Republicans are pushing back Economy President Trump rattles markets again with new tariff threats by Scott Horsley 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate