Not entirely sure this is a good thing :/
It's PNAS. The open secret about PNAS is that they often publish pure shit, since members of the academy get freebies all the time. They once published a study that claimed that moths and caterpillars evolved separately then merged into a single organism. Whether they can make chocolate with less fat is a totally separate issue from whether it's "healthier" or "tastes better." Not sure how they got away with those kind of qualitative claims, except that, well, it's PNAS.
Not saying anything on the quality of the paper, but you can tell if it was an in-network / ol' boys submission vs. standard peer-reviewed submission by "Contributed" vs. "Direct" submission. This one is the latter:It's PNAS. The open secret about PNAS is that they often publish pure shit, since members of the academy get freebies all the time.
This article is a PNAS Direct Submission.
Donald Williamson. Not sure what his politics were, but I would imagine that Lysenko probably had a better case for his wheat seeds than Williamson did for this speculation.