• should present an untested original hypothesis backed up solely by a survey of previously published results rather than any new evidence.
  • should not be reviews and should not contain new data.
  • should be short articles (ideally 500 – 1500 words) outlining significant progress in thinking that would also be testable, though not so easily testable that readers will wonder why the testing has not already been done.

Manuscript sections should be divided into the following sections (in this order):