I had this issue and it turned out to be fluctuations in the power source. Purchased an official RPi brick, and put the root filesystem into read-only mode and the Pi became much more resilient. (https://www.raspberrypi.org/forums/viewtopic.php?t=161416)

I don't know about you but I think the world can spare an extra 29kb.

Wasn't there an article circulated recently where they were advocating reverting plastics back to their base ingredients as a much saner alternative to recycling?