
From Toptenz.com:
Throughout our history, most civilizations have either met a slow demise or were wiped out by natural disasters or invasion. But there are a few societies whose disappearance has scholars truly stumped:
Read more ....
A Science News Aggregator That Covers Stories in the World Of Science And Technology.

The Tell Zeidan site is about 48 feet high at its tallest point and covers about 30 acres. It sits in an area of irrigated fields at the junction of the Euphrates and Balikh Rivers in what is now northern Syria. Credit: Gil Stein, Oriental Institute, University of Chicago.
Apollo, God of the Sun. The bust of the recently discovered statue of the Greek god Apollo appears above. The massive statue, around four meters (13 feet) in height, is one of only about a dozen in existence. Francesco D'Andria
Paleolithic handywork: Discovered in 1940, France's Lascaux Cave has some of the world's most spectacular prehistoric cave art.
Photo: Part of Lascaux famed cave drawings in southwest France, shown last summer. (AP Photo/Pierre Andrieu, Pool)
Some believe that Noah's Ark came to rest on Turkey's Mount Ararat, above. But the ancient flood that some scientists think gave rise to the Noah story may not have been quite so biblical in proportion, a January 2009 study says. Photograph by Melik Baghdasaryan/AP/Photolur
The ancient Greek Temple of Hera in Selinunte, also knowns as "temple E",
Bering Strait. After the Last Glacial Maximum some 15,000 to 17,000 years ago, one group entered North America from Beringia following the ice-free Pacific coastline, while another traversed an open land corridor between two ice sheets to arrive directly into the region east of the Rocky Mountains. (Beringia is the landmass that connected northeast Siberia to Alaska during the last ice age.) (Credit: NOAA, NPO)
Photo: The enclosure wall of the Great Aten temple in Egypt, as seen from the QuickBird satellite.