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 Health & Safety A special shoutout to fathers by Scott Detrow World News Copenhagen's climate preparedness projects by Scott Detrow 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate