How do scientists diagram evolutionary relationships? Scientists represent evolutionary relationships with tree diagrams (also called cladograms) because new life forms appear the way new branches ...

Phylogenies are a fundamental tool for organizing our knowledge of the biological diversity we observe on our planet. But how exactly do we understand and use these devices? Tree diagrams have been ...

When we represent the relationships of organisms, our thoughts turn naturally to trees. We draw genealogical family trees, and often think of great apes as part of our extended family. (Some of them ...

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The NETDRAW procedure automatically draws any acyclic network. They do not have to be representations of a project. You can also use the procedure to draw a general directed graph that has cycles, if ...

This medieval “Tree of Life” works as a mnemonic memory aid (Image: Beinecke Rare Book and Manuscript Library, Yale University) From studying the bible to visualising computer storage, Manuel ...

Business owners have to make decisions every day on issues fraught with uncertainty. Information is not perfect, and the best choice is not always clear. One way to handle these vague situations is to ...

Understanding the biodiversity of forests is crucial to their conservation or restoration. Collecting “external DNA” left behind by animals is a good way to find out what lives there without having to ...