The toothpaste tube wriggled in his grip, oozing more than foam:
- A child’s baby tooth (labeled "Control Group A")
- A sliver of silver filling that matched his own
- And finally, a film negative of his six-year-old self strapped to a dental chair
The words "Project Mnemosyne" glowed under UV light.
They’d been erasing memories through toothpaste for decades.