[Rockhounds] 400 million-year-old fossil reveals the evolution of Fibonacci spirals in plants

[Paul]

400 million-year-old fossil reveals the evolution of Fibonacci spirals 
in plants
Tejasri Gururaj, June 19, 2023
https://interestingengineering.com/science/plants-fibonacci-spirals-in-400-million-year-old-fossil

The paywalled paper is:

Turner, H.A., Humpage, M., Kerp, H. and Hetherington, A.J., 2023. Leaves
and sporangia developed in rare non-Fibonacci spirals in early leafy plants.
Science, 380(6650), pp.1188-1192.
https://www.science.org/doi/10.1126/science.adg4014

Yours,

Paul H.