Abstract: Phylogenetic placement is the problem of placing sequences into a given phylogenetic tree, called a “backbone tree”. EPA-ng and pplacer are the two most accurate phylogenetic placement ...

ABSTRACT: The aim of this work was to study the competition between Helicobacter pylori isolates susceptible to clarithromycin and their resistant mutants, in terms of growth, by co-culture over an ...

With so many varieties sold as Christmas trees, knowing what differentiates a Douglas fir from a Norway spruce is key to shopping for a real tree you’ll love. You’re likely to see more than one ...

T-REX was created in response to requests to be able to easily link phylogenetic and phenotypic information together and yield insights from this. This package consists of a GUI-enabled phylogenetic ...

The lighting of the Rockefeller Center Christmas tree, an annual New York City tradition, took place Wednesday night. Here's everything to know about the event, how to visit the tree and road closures ...

The iconic Rockefeller Center Christmas Tree will be officially lit on Dec. 3 Selcuk Acar/Anadolu via Getty The Rockefeller Center Christmas Tree Lighting Ceremony will take place on Dec. 3 Reba ...

FORT WORTH, Texas — After a long, weather-delayed journey from Michigan, the 79th Annual Fort Worth Community Christmas Tree has officially arrived in North Texas. The towering Norway spruce, standing ...

The order Primates consists of not only our closest relatives on earth, the seven great apes, but also over 450 species of monkeys, lemurs, lorises, and galagos. Primates are fantastically diverse, ...

Birds are extraordinary in their diversity, ecological breadth, and global distribution. This makes them a powerful system to study ecology and evolution, particularly as large-scale datasets on ...

Tree recursion is a technique used to traverse a tree-like data structure by recursively visiting each node and its children. It’s widely used in computer science, particularly in algorithms that ...

An international collaboration between four senior scientists from Mainz, Valencia, Madrid, and Zurich has published groundbreaking research in the journal PNAS, shedding light on the most significant ...