Aidan Dwyer took a hike through the trees last winter and took notice of patterns in the mangle of branches. His studies into how they branch in very specific ways lead him to a central guiding ...

Scales and bracts are modified leaves, and the spiral arrangements in pine cones and pineapples reflect the spiral growth habit of stems. To confirm this, bring in a leafless stem from some tree ...

To confirm this, bring in a leafless stem from some tree or shrub and look at its buds, where leaves were attached. The buds range up the stem in a spiral pattern, which kept each leaf out of the ...