Physicists in Europe have quietly turned a classic holiday symbol into a cutting-edge experiment, 3D-printing a tiny ...

The UA has plenty of special features to offer, but one of its more overlooked aspects is its abundant plant life—specifically, that of the Laboratory of Tree-ring Research. UA’s tree-ring lab right ...

A microscopic ‘Christmas tree’ is a seasonal highlight of a remarkable science project that sees a quirky comparison of vast ...

Leonardo da Vinci seems first to have noticed that widths of tree rings vary in wet and dry years, but there is a big gap between his discovery and a history of tree rings that chronicles Midwest ...