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In fact, there was a scientific reason. The formation process of most ordered ices has a significant kinetic barrier: even though the ordered ice structure should be favored, according to ...

You are currently logged out. Please sign in to download the issue PDF. Read This Column Carefully.-You will find inquiries for certain classes of articles numbered ...

You are currently logged out. Please sign in to download the issue PDF. Being an account of how the law code of Lipit-Ishtar, a Sumerian king who ruled 19 centuries ...

You are currently logged out. Please sign in to download the issue PDF. An essay, based on some classic observations of experimental psychology, on how the ...

You are currently logged out. Please sign in to download the issue PDF. Onion Portage in Alaska is an unusual Arctic archaeological site. It provides a record of ...