ANATOMY IN CLAY® SystemMay 4, 20201 minMammalian PronationBehold the cynodont. (Sounds like: sign-uh-daunt.) Cynodonts gave rise to all living mammals about 250 million years ago. Or so. These...
-Feb 19, 20202 minTunicate – Part 2By Jon Zahourek Vertebrate Anatomy is a System of Subsystems The key to vertebrate movement is the axial subsystem. If you own a...
ANATOMY IN CLAY® SystemAug 23, 20182 min108 Billion People—All The SameThe world is marked by dividing lines—continents, countries, states, cities, towns, etc. And the same holds true for the people who live...