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Thursday, July 6, 2017

Paleontology & Archeology

UC research reveals largest ancient dam built by Maya in Central America
Recent excavations, sediment coring and mapping by a multi-university team led by the University of Cincinnati at the pre-Columbian city of Tikal, a paramount urban center of the ancient Maya, have identified new landscaping and engineering feats, including the largest ancient dam built by the Maya of Central America.

Engineering technology reveals eating habits of giant dinosaurs
High-tech technology, traditionally usually used to design racing cars and aeroplanes, has helped researchers to understand how plant-eating dinosaurs fed 150 million years ago.

Oregon's Paisley Caves as old as Clovis sites, but not Clovis
A new study of Oregon's Paisley Caves confirms that humans used the site as early as 12,450 radiocarbon years ago, and the projectile points they left behind were of the "Western Stemmed" tradition and not Clovis - which suggests parallel technological development of early inhabitants to the Americas.

New Au. Sediba fossils discovered in rock
South African scientists will share the country's latest fossil discovery with the world using live virtual technology.

Archaeologists discover surprising mosaic
An international team of archaeologists from Canada, Israel, Slovakia, and the United States have discovered a stunning mosaic floor decorating the interior of a monumental synagogue dating to the Late Roman /Byzantine period in Israel.

Oldest natural pearl found in Arabia
Researchers at the Laboratoire Archéologies et Sciences de l'Antiquité (ArScAn) (CNRS/Université Paris Ouest Nanterre La Défense/Université Paris 1 Panthéon-Sorbonne/Ministère de la Culture et de la Communication, Inrap) have unearthed the oldest-ever archeological natural pearl.

Ancient global warming allowed greening of Antarctica
Ancient Antarctica was warmer and wetter than previously suspected, enough to support vegetation along its edges, according to a new study.

Where we split from sharks: Common ancestor comes into focus
The common ancestor of all jawed vertebrates on Earth resembled a shark, according to a new analysis of the braincase of a 290-million-year-old fossil fish that has long puzzled paleontologists.

Woolly mammoth extinction has lessons for modern climate change
Although humans and woolly mammoths co-existed for millennia, the shaggy giants disappeared from the globe between 4,000 and 10,000 years ago, and scientists couldn't explain until recently exactly how the Flinstonian behemoths went extinct.

Dinosaurs lighter than previously thought
Scientists have developed a new technique to accurately measure the weight and size of dinosaurs and discovered they are not as heavy as previously thought.

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