Archimedes Notebook

 ... snow fleas, that is. Monday it was so warm (40oF) that I decided to check out the old oak log behind my garden. It’s covered with moss ...

Today kicks off the Great Backyard Bird Count - you can find out more about that here . Meanwhile,  I can't think of a better way to ce...

 This week take your camera or a sketch pad outdoors with you and spend a few moments looking at trees. It should be a bit warmer, so you ca...

The Vanishing Sea: The Tale of How the Aral Sea Became the Aral Desert  by Dinara Mirtalipova  40 pages; ages 5-8 Chronicle Books, 2026    t...

 Beech trees are notorious for hanging on to some of their dead leaves all winter. That trait is called marcescence (mar-SES-ents) . Beech t...