Life reconstruction of fossil Asteroxylon mackiei. Credit: Matt Humpage, Northern Rogue Studios A 3D model of a 407-million-year-old plant fossil has overturned thinking on the evolution of leaves.
This 407-million-year-old species of clubmoss doesn’t follow the Fibonacci sequence like most of its living relatives.
Fibonacci cubes represent a fascinating class of graphs that emerge as subgraphs of the n-dimensional hypercube. Defined by the restriction to binary strings that avoid consecutive 1s, these graphs ...