Helicopter seeds, also known as samara fruits, are winged seeds that glide through the air to disperse over a wide area. Found on various trees, these seeds delight nature enthusiasts with their ...

Fossil tree resins open a window into the deep past as their organic compounds, termed biomarkers, can be used to identify the botanical provenance of these ancient trees, as well as the ...

For the fifth year in a row Norwalk was named a Tree City USA community by the Arbor Day Foundation by meeting four standards: Having a tree board or department, a tree-care ordinance, a comprehensive ...

Our shade trees are proud to have a chance to prove themselves in our landscapes. If we’re careful when we choose them, and attentive to their needs from that day on, they’ll be faithful servants for ...

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 ...

Some math conjectures and theorems and proofs can take on a profound, quasi-religious status as examples of the limits of human comprehension. TREE(3) is one of those examples. "You've got all these ...