Scientists solve 200-year-old puzzle of how tobacco plants make nicotine (york.ac.uk)

You may enjoy the original paper[0] a lot more, the simplified article is very... simple.

[0] https://www.nature.com/articles/s41467-026-72705-0

Pairs well with https://phys.org/news/2026-04-tobacco-psychedelics-psilocybi... !