Are we one outcrop closer to unraveling the mystery of Stonehenge?
For years researchers have tried to pinpoint exactly where the enormous stones used in the English monument came from–and how they ended up on an otherwise grassy Salisbury Plain.
It’s long been thought that the iconic monument’s outer stones were hauled from a sandstone quarry situated 20 to 30 miles away, National Geographic reported. The inner stones, however, have presented a tougher question.
Currently, there are two prevailing theories about the inner stones’ origins. One is that an ancient glacier simply pushed them near to the site where the monument was erected, according to NatGeo. The other is that they were somehow hauled there by some exceedingly enterprising early humans.
Now a team of researchers say they’ve located the rocky Welsh hill where some of Stonehenge’s inner stones originated. The team — made up of archaeologists and geologists from several United Kingdom institutions — claim to have matched a type of stone found at Stonehenge, called a spotted dolerite bluestone, to the Carn Goedog outcrop in Wales, the BBC reported.
December 4, 2013
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December 4, 2013
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The genome of a young boy buried at Mal’ta near Lake Baikal in eastern Siberia some 24,000 years ago has turned out to hold two surprises for anthropologists..
The first is that the boy’s DNA matches that of Western Europeans, showing that during the last Ice Age people from Europe had reached farther east across Eurasia than previously supposed. Though none of the Mal’ta boy’s skin or hair survives, his genes suggest he would have had brown hair, brown eyes and freckled skin.
The second surprise is that his DNA also matches a large proportion — about 25 percent — of the DNA of living Native Americans. The first people to arrive in the Americas have long been assumed to have descended from Siberian populations related to East Asians. It now seems that they may be a mixture between the Western Europeans who had reached Siberia and an East Asian population.
November 28, 2013
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Comet ISON is teasing the solar system as it dances with the sun and it’s giving astronomers mixed signals.Will it meet a fiery death – or survive – when it whips around the sun on Thursday?
The icy comet will be only about 1 million miles away from the sun’s super-hot surface during its close encounter on Thanksgiving. On Monday, it looked like it was about to die even before it got there. On Tuesday, it appeared healthy again.
“We have never seen a comet like this,” Naval Research Laboratory astrophysicist Karl Battams said during a NASA news conference Tuesday. “It has been behaving strangely.”
Because it is so close to the sun, ISON (EYE’-sahn) will likely not be visible from Earth on Thursday – except via a fleet of NASA telescopes and spacecraft aimed at the comet as it gets closest to the sun at 1:37 p.m. EST, he said. And it will be a few hours before scientists know whether the comet survives.
November 28, 2013
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The ancient genomes, one from a Neanderthal and one from a different archaic human group, the Denisovans, were presented on 18 November at a meeting at the Royal Society in London. They suggest that interbreeding went on between the members of several ancient human-like groups living in Europe and Asia more than 30,000 years ago, including an as-yet unknown human ancestor from Asia.
“What it begins to suggest is that we’re looking at a ‘Lord of the Rings’-type world — that there were many hominid populations,” says Mark Thomas, an evolutionary geneticist at University College London who was at the meeting but was not involved in the work.
The first Neanderthal and the Denisovan genome sequences revolutionized the study of ancient human history, not least because they showed that these groups interbred with anatomically modern humans, contributing to the genetic diversity of many people alive today.
November 27, 2013
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I just watched ‘RED DAWN”
November 22, 2013
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We already know that the spiders from Mars are real — but has the NASA rover Curiosity picked up real evidence of extraterrestrial life on the Red Planet?
Conspiracy theorists think so. Some of these photos — taken by the Curiosity over the past year and on other missions to Mars — look a lot like rocks. Some of them look a lot more peculiar, like the “iguana” found earlier this month. All of them are the stuff of Internet legend, and many believe that NASA is hiding something.
November 22, 2013
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One of the oldest fossils of a living organism has been dated as being 3 and a half billion years old. The fossil contains evidence of microbes that are some of the oldest living things ever studied by scientists.
November 16, 2013
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Thought we knew every part of the human body? Think again.
Surgeons in Belgium recently discovered a new ligament in the human knee. Publishing their research in the peer-reviewed Journal of Anatomy, the knee specialists provided the first anatomical description of the fibrous tissue, called the anterolateral ligament, or ALL, for short.
Though French surgeon Paul Segond proposed the existence of an additional ligament in the human knee as early as 1879, the structure evaded classification for many years.
Working from the French surgeon’s notion, the team, led by the University of Leuven’s Dr. Steven Claes, dissected cadaver knees in search of the “pearly, fibrous band” Segond described. What they found was a “well-defined ligamentous structure” that connects the femur (thighbone) with the anterolateral tibia (shinbone) in 40 of the 41 human knees they dissected, the authors wrote in the study.
November 16, 2013
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Another day, another “creature” on Mars.
Eagle-eyed UFO enthusiasts recently announced they’ve spotted yet another “animal” on the red planet. On Nov. 6, the UFO Sightings Daily blog declared that NASA’s Curiosity rover had taken what appears to be a photograph of a Martian iguana
“To say it’s just a rock would be very closed minded to the evidence at hand,” Scott C. Waring, the blog’s founder, noted of the curious image taken in January. “[N]ot only does it have a body, but look closely and you will see its lower neck skin, its mouth line, nostril hole and even an open eye with a large brow over it.”
November 10, 2013
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Happy Birthday, Madame Curie!
Marie Curie was born this day in 1867. You might know her as a pioneering chemist and physicist — the first woman in Europe to receive a Ph.D. in physics. She was also the first woman to win a Nobel Prize for her research in radioactivity, and the first person ever to win two Nobels. But have you heard about what she did to help during World War I? Do you know about the salacious gossip she stirred up with her sex life?