Scientist Pankaj

Today in Science: Olympic curling stones have quirky geology

The rocks come from a Wales quarry and a small volcanic island in Scotland ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ͏  ...