[gus_massa]

I agree. Here is a photo of the wild ancestor of maize, compared to a modern one and an hybrid https://www.eurekalert.org/news-releases/721466

[cguess]

I had a lecture from the main researcher of that paper when I was in undergrad, fantastic lecturer and very interesting topic. The whole class actually applauded him after he finished (that isn't something that happens in US universities usually).

[dekhn]

Do you mean https://en.wikipedia.org/wiki/John_Doebley ? See also https://www.nytimes.com/2010/05/25/science/25creature.html for the story of how maize was traced back to teosinte using hybrids and some literature with more scientific detail: https://www.sciencedirect.com/science/article/pii/0168952592...

[cguess]

Yep, I went to UW Madison and he's affiliated with it, so my professor had him do a guest lecture.