Archimedes Notebook

Usually when we look at trees we notice the leaves, or the pattern on the bark. But what about the things that cling to trees? This month...

Biodiversity: Explore the Diversity of Life on Earth (Build It Yourself series) by Laura Perdew; illus by Tom Casteel 128 pages; ages 9...

Usually when we look at trees we notice the leaves, or the pattern on the bark. But what about looking inside a tree? Or through a tree? Thi...