Researchers develop method to precisely control calcium phosphate structure at the 300-nanometer scale using bone-forming ...

A tessellation is a repeating pattern of polygons that covers a plane with no gaps or overlaps. What kind of tessellations can you make out of regular polygons? What shapes tessellate? If shapes can ...

King County Library System patrons can get a brand new library card featuring one of seven new designs from local artists at their local community library. The new cards were designed by seven artists ...