Cat trees come in all shapes and sizes. When you shop for one ... there are plenty options on the market that blend form and function. This cat tower's slatted design will seamlessly match ...

Naturalist Roger Tory Peterson says that unlike the precise silhouette of birds, a tree is not so consistent in form or shape: "The beginner, learning his trees, yearns for a book that will give ...

Credit: Journal of The Royal Society Interface (2025). DOI: 10.1098/rsif.2024.0654 In watching leaves fall, it became clear to the researchers that the determining factor was leaf shape.To find ...