Therefore, the argument that viruses should be excluded from the tree of life because they cannot sustain themselves under natural conditions does not hold. Also, 'nature' does not mean mere soil ...

Tu B’Shevat – known as the “New Year of the Trees” – is a day to celebrate the planet that has been bestowed upon us. It ...

2002). NRI is a mean pairwise distance metric sensitive to phylogeny-wide patterns and NTI is a nearest-taxon-based measure sensitive to patterns at the ‘tips’ of a phylogenetic tree.

Beach visitors pose with the “Tree of Life” on Kalaloch Beach in Olympic National Park before the tree sank during storms in early 2025. Mathew Nichols Photography Courtesy A tree that seems ...