Have you ever walked in the shade of a mighty oak tree? In late summer or fall, you may find an odd little brown woody ball attached to a fallen twig. Look up into the tree, and you may see more ...

Inks for Japanese and Chinese brush painting (sumi-e in Japanese) and calligraphy are made from soot combined with animal glue. These core ingredients create subtle tones within blacks, ideal for ...

In honor of Earth Week, science author and illustrator Katherine Roy, shared a fun project made with ingredients found in nature. Click through the photo gallery to find directions to make your own ...