Across cities and suburbs, a curious pattern keeps turning up in aerial photos and field surveys alike: trees that stand ...

Leonardo da Vinci’s sketch of a tree illustrates the principle that combined thickness is preserved at different stages of ramification. The math that describes the branching pattern of trees in ...

How does a full-service manufacturer of tight-tolerance, complex composite parts for the aerospace and defense industries find itself in a specialty niche, molding exotic artificial trees? Precisely ...

This ECG has a narrow QRS complex initally, then a fast heart rate, regular rhythm and no identifiable P wave activity which suddenly turns to a wide complex in a left bundle branch block pattern. The ...