The pumpkin phloem that is secret

Read if you dare (and if you have a subscription to Proceedings of the National Academy of Sciences) the report “The secret phloem of pumpkins,” by the possibly mysterious Robert Turgeon and Karl Oparka.

(Thanks to investigator Tom Gill for bringing this to our attention.)

BONUS: Phloem, for the uninitiated
BONUS: “Up the cleppie, doon the Blackie“