Lost Worlds and New Species Found

ekim68

Mike
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One Mystery of Stonehenge’s Origins Has Finally Been Solved


For more than four centuries, archaeologists and geologists have sought to determine the geographical origins of the stones used to build Stonehenge thousands of years ago. Pinning down the source of the large blocks known as sarsens that form the bulk of the monument has proved especially elusive. Now researchers have resolved the mystery: 50 of the 52 extant sarsens at Stonehenge came from the West Woods site in the English county of Wiltshire, located 25 kilometers to the north of Stonehenge.
 

ekim68

Mike
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56,530

Dinosaur diagnosed with late-stage cancer in first-of-its-kind study


Researchers in Canada have diagnosed an advanced, malignant bone cancer – in a dinosaur. Using the kinds of diagnostic techniques used in humans, a team of cancer professionals examined a large growth on the long-dead animal’s leg bone, marking the first time such a diagnosis has been made for a dinosaur.

The specimen is a Centrosaurus apertus, a horned dinosaur in the same general family as the famous Triceratops. Dating back between 76 and 77 million years, the fossil was originally discovered in Alberta back in 1989, and attention was drawn to a malformed mass on the end of the animal’s fibula, the lower leg bone.
 

ekim68

Mike
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Native American stone tool technology found in Arabia


Stone fluted points dating back some 8,000 to 7,000 years ago, were discovered on archaeological sites in Manayzah, Yemen and Ad-Dahariz, Oman. Spearheads and arrowheads were found among these distinctive and technologically advanced projectile points. Until now, the prehistoric technique of fluting had been uncovered only on 13,000 to 10,000-year-old Native American sites. According to a study led by an international team of archaeologists from the CNRS (1), Inrap, Ohio State University and the Max Planck Institute for the Science of Human History.
 

ekim68

Mike
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Messages
56,530

"Supergiant" new species of isopod discovered in the deep ocean


Named Bathynomus raksasa, the holotype, or physical specimen that serves as the basis for the description and name of the new species, is a male that was measured to be 36.3 cm (14.3 in) long, which puts it among the largest giant isopods ever found. The second specimen was a female measuring 29.8 cm (11.7 in). Along with being bigger on average, the team noted other differences when compared to the closest known species, Bathynomus giganteus, including smoother “skin” and different body proportions and shapes.
 

ekim68

Mike
Joined
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Messages
56,530

First complete dinosaur skeleton reconstructed 162 years after find


After only 162 years, the first complete dinosaur skeleton to be recovered has finally been properly reconstructed and studied. Found on the shore beneath Black Ven at Charmouth in west Dorset, the 193-million-year-old fossilized remains of a Scelidosaurus, spent over a century and a half stored at the Natural History Museum in London before being fully described and analyzed by Dr. David Norman of the University of Cambridge's Department of Earth Sciences.
 

ekim68

Mike
Joined
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Messages
56,530

In the Land of Kush


A dazzling civilization flourished in Sudan nearly 5,000 years ago. Why was it forgotten?
The land south of Egypt, beyond the first cataract of the Nile, was known to the ancient world by many names: Ta-Seti, or Land of the Bow, so named because the inhabitants were expert archers; Ta-Nehesi, or Land of Copper; Ethiopia, or Land of Burnt Faces, from the Greek; Nubia, possibly derived from an ancient Egyptian word for gold, which was plentiful; and Kush, the kingdom that dominated the region between roughly 2500 B.C. and A.D. 300. In some religious traditions, Kush was linked to the biblical Cush, son of Ham and grandson of Noah, whose descendants inhabited northeast Africa.
 

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