TIL That the white dried dog poop on lawns of the 70s and 80s was related to excess calcium in dog foods at the time. Less commercial bone meal in todays dog food recipes makes it virtually a thing of the past. mentalfloss.com Submitted by anogre8me t3_zl8eeg on December 13, 2022 at 10:01 PM in todayilearned No comments 3