"Status Quo" is a science fiction short story written by Mack Reynolds. The story of the book is set in a future in which humanity has achieved a form of utopia through the establishment of a unique……続きを見る
Dear rock and mineral explorers,
Today we are going to start our super cool adventure – diving into the fantastic world of rocks and minerals, and searching for nature’s awesome treasures! Just like……続きを見る
The scandals, mysteries, and human stories behind the world’s greatest gems are brought to life by the curator of the Smithsonian’s National Gem Collection
Dr. Jeffrey E. Post, curator of the Nation……続きを見る
Even if they don’t know much about rocks, most people can name at least one place they have encountered granite. As a rock, granite is speckled, sparkly, and beautiful, and it’s used in products we ……続きを見る
