---

• n  free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts

• The original choice of title was not made lightly, says Psychologist-Editor James McConnell, who heads the University of Michigan planarian (flatworm) research group, which .
• Because, says Ardrey, the dispossessed planarian worm lost his zest for life and slipped this attitude into the evolutionary stream untold millions of years ago.

• planaria

News & Articles

---

• Strange Worm Regrows Memories After Its Head Is Chopped Off
  Strange tiny worms called planarians have the amazing ability to regrow their memories, even after their heads are chopped off. Researchers have known for decades that these flatworms can regrow their heads, but the new study shows that that also involves growing back their memories.
  July 11, 2013 - Business Insider
• The worm that regrows its head, and memories, when decapitated
  Meet the planarian
  July 10, 2013 - The Week via Yahoo! News