SIOUX FALLS, S.D. (KELO) – You may have noticed something different about the maple tree seeds this year: they’re pink. In the past few weeks, maple trees have been dropping samaras, or more commonly ...

The easiest way is a cut test. Take random samples of ~10 fruits/seeds and cut them in half to see if solid. Many maples, paper bark, three-flower, and sugar, when cut, are hollow. In the Dirr garden, ...

Andrew Dickerson receives funding from the National Science Foundation. When wind or other disturbances detach winged maple seeds called samaras from their parent tree, they spin through the air – and ...