Two hundred years ago Georges Cuvier came up with the concept of what we now call ‘proxy indicators’ in geology. These are biological, chemical or physical signatures preserved in the rock ...

"Many of the challenges facing SETI research are similar to those already addressed in the investigation of animal behavior, ...

But after the discovery of the Long Count, one of the next breakthroughs in deciphering the Mayan writing system was recognizing what experts call the emblem glyph—a unique hieroglyph that ...

(In reality, the distinction between Aryans and Dravidians is itself not clear-cut.) Deciphering the script, the debate’s partisans believe, could help settle the question. In Hindu nationalists ...