Archaeologists, historians, and governments take great care to preserve human history across the globe, protecting monuments of our civilizations and traces of our origins. Even what may seem, at first, like the detritus of existence—footprints left millions of years ago, the contents of well-preserved wastebins—can serve as tangible, informative links to the past.
Now, scientists and officials are working preserve some of humanity’s best-known footprints, left by a giant leap for mankind, by extending those same sorts of historical protections to the Apollo missions’ lunar landing sites. The tricky part is, many such protections require that a site be on the territory of a state or nation—and the US government can’t claim sovereignty over any part of the moon, and doesn’t want to appear as though it’s trying to. But NASA and the New Mexico and California state governments have gotten onboard with the effort to safeguard the sites, spearheaded by New Mexico State University anthropologist Beth O’Leary. A NASA panel recently issued recommendations for protecting the sites that suggest future explorers give a wide berth to the astronautical artifacts left behind, Kenneth Chang reports at the New York Times:
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Remnants of a Cryptocarya woodii leaf, which researchers
say was part of the oldest bedding ever found
In a South African cave, researchers have uncovered traces of the oldest known human bedding, 77,000-year-old mats made of grasses, leaves, and other plant material. While it’s not especially surprising that early humans would have found a way to improve the cold, generally unpleasant experience of sleeping on a cave floor, archaeologists know little about our ancestors’ sleeping habits and habitats.
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New satellite images have revealed more than a hundred ancient fortified settlements still standing in the Sahara. The settlements, located in what today is southern Libya, were built by the Garamantes, a people who ruled much of the area for nearly a thousand years until their empire fragmented around 700 AD. Information about the Garamantes is relatively scarce: Other than the accounts of classical historians (who aren’t known for careful accuracy) and excavations of the Garamantian capital city in the 1960s, archaeologists haven’t had a lot to go on. During the decades-long reign of Muammar Gadhafi, antiquities and archaeology weren’t exactly a national priority; the fortresses were largely ignored. As David Mattingly, the British archaeologist who led the project, said to OurAmazingPlanet of the discoveries: ”It is like someone coming to England and suddenly discovering all the medieval castles.”
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The ochre paint found in the abalone shells
seems to have been made from a specific recipe.
As archaeologists unearth scattered artifacts from the early years of our species, one of the questions they ask themselves is, when did early humans start thinking and behaving like modern humans? The recent discovery of 100,000-year-old site where paint was manufactured—equipped with mixing containers and tools—suggests that even very distant ancestors had something of our ability to plan, as well as a basic sense of chemistry.
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Enormous stone statues, called moai, on Easter Island
What’s the News: Easter Island is often held up as an example of what can happen when human profligacy and population outpace ecology: Wanton deforestation led to soil erosion and famine, the story goes, and the islanders’ society declined into chaos and cannibalism. But through their research on Easter Island, paleoecologists Terry Hunt and Carl Lipo have unearthed evidence that contradicts this version of events. The Polynesian settlers of Easter Island prospered through careful use of the scant available resources, they argue in their new book The Statues That Walked; the island’s forests were done in not by greedy humans, but by hungry rats.
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Is that an alpha or a beta?
Sometimes you need a little help from your friends. Taking a leaf from reCaptcha‘s book, archaeologists from the Egypt Exploration Society and Oxford University have taken a voluminous store of ancient Egyptian papyri online in a bid to have web users transcribe the fragments, which come from a lost city known to its inhabitants as the City of the Sharp-Nosed Fish.
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Modern microchip designers have numerous digital backup copies of their work. But in the early days of home computers, chip designs were drawn out by hand on sheaves of paper, many of which have since gone missing. In the last 30 years, we have already forgotten how the first chips that brought computers into our homes worked.
A team of enthusiasts calling themselves “digital archaeologists” have reconstructed the design of several key early chips, including the MOS 6502. The name might not be familiar, but if you’re of a certain age, you used it in such early computing gems at the Atari, the Commodore, the Apple I and II, and, of course, the Nintendo Entertainment System. (It also appears to have powered the Terminator—Nikhil Swaminathan at Archaeology Magazine, who has written a delightful feature on the project, notes that when the 1984 film switches to the killing machine’s point of view, 6502 code is running up the side of the screen.) By dissecting the chip with acid and photographing each layer of its workings, they’ve developed a map of its circuits that can be plugged into a programmable chip and used to play Atari games, as well as serve as a resource for understanding how early chips were designed.
Read the whole story at Archaeology Magazine, and check out the group’s site for beautiful, massive images of the chip architecture.
Image credit: Visual 6502 project
Most archaeologists dig up the past, examining artifacts for clues—but experimental archaeologists build the past from the ground up, testing out what they can make and do using the same tools and techniques ancient peoples did. Brandon Keim at Wired Science has compiled a fascinating collection of these studies, following scientists as they sail the South Pacific on rafts of balsa wood, hunt deer with flint-tipped spears, and build smoky fires to keep warm through the Scandinavian winter (above).
[See the rest at Wired Science.]
Image: Liedgren & Östlund, Journal of Archaeological Science, 2011
What’s the News: As human societies adopted agriculture, their people became shorter and less healthy, according to a new review of studies focused on the health impacts of early farming. Societies around the world—in Britain and Bahrain, Thailand and Tennessee—experienced this trend regardless of when they started farming or what stapled crops they farmed, the researchers found.
This finding runs contrary to the idea that a stable source of food makes people grow bigger and healthier. The data suggest, in fact, that poor nutrition, increased disease, and other problems that plagued early farming peoples more than their hunter-gatherer predecessors outweighed any benefits from stability.
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What’s the News: Climate change may have sparked the demise of early Viking settlements in Greenland, according to a new study published online in the Proceedings of the National Academy of Sciences, when temperatures cooled rapidly over several decades. Around the time the Vikings disappear from the island’s archaeological record, temperature appears to have plunged. Nor were the Vikings the only people in Greenland whose fortunes rose and fell with the average temperature, the study suggests. Earlier cold spells may have played a role in the collapse of two previous groups on the island.
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Since before the Great Pyramid of Giza was enumerated as a wonder of the world two millennia ago, people have pored over the mysteries of these vast tombs. Now, modern technology is helping researchers glean new insight into the pyramids, revealing them from far above and exploring them from deep within.
Satellite images have revealed 17 “lost” pyramids and thousands of ancient tombs and settlements in Egypt, according to a BBC News report. Using a new imaging technique, researchers could pick out the outlines of ancient buildings buried under the surface.
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What’s the News: Large, corral-like stone stone structures found in the Middle East, called desert kites, were used to capture entire herds of gazelle for slaughter 6,000 years ago, suggests a study published online yesterday by the Proceedings of the National Academy of Sciences. While historians and archaeologists have long suspected the structures may have been used to round up and kill gazelles, this study, which found and dated thousands of gazelle bones in close proximity to several desert kites, provides physical evidence to corroborate the idea and an estimate of when the kites were used. (A labeled aerial photo of a desert kite can be found here.)
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We know the Bering land bridge that appeared between Alaska and Russia at least 14,000 years ago would have allowed ancient people to cross over into America. But what were those people like? Scant evidence has turned up to reveal their lifestyle, but in the journal Science this week archaeologists report a new find—one that’s simultaneously insightful and a portrait of sadness. Ben Potter and colleagues found an 11,500-year-old house that was apparently the scene of the loss of a child, as the fire pit shows the skeletal remains of a person about three years of age.
The bones are the oldest human remains yet discovered in northern North America, and provide a remarkable glimpse into the lives of the earliest North American settlers…. Older human remains and temporary hunting camps and work sites have been found, but longer-term habitations are rare. Yet the child’s young age – it was about 3 years old – and the type of food remains found at the new site, suggest it was the summer home for a group that comprised at least women and young children. [New Scientist]
The place is called Upper Sun River, located in central Alaska. The child has been given the name Xaasaa Cheege Ts’eniin, or “Upward Sun River Mouth Child.”
Potter … and his colleagues discovered the outlines of the foundation of a circular house, including a scattering of stone tools and animal bones on the floor and traces of posts that may have held up the walls and roof. As the team reports in this week’s issue of Science, the center of the house was taken up with a large circular pit containing the fragmented, partially burnt bones of the child. [ScienceNOW]
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With the world focused on the uprising against Egyptian President Hosni Mubarak, archaeologists have raised the alarm about Egypt’s ancient treasures. Last Friday, looters destroyed some artifacts in the Egyptian Museum in Cairo, home of over 120,000 priceless artifacts, including many from Tutankhamun’s tomb. Other museums have also been ransacked–but in one uplifting moment, citizens and army personnel banded together to save Egypt’s past.
Although some of the Egyptian Museum looters were reportedly apprehended, the damage was already done: the criminals beheaded two mummies thought to be pharaohs, reduced to rubble a statue of the young King Tut astride a panther, and damaged many other treasures.
The country’s top archaeologist, Zahi Hawass, described the damage in a series of statements, including an update that was posted to his blog on Sunday. He said looters ransacked the museum’s gift shop and went on to vandalize authentic treasures as well. More than a dozen display cases were broken into, including one that contained the Tut statuette. “The criminals found a statue of the king on a panther, broke it, and threw it on the floor,” Hawass wrote. “I am very thankful that all of the antiquities that were damaged in the museum can be restored, and the tourist police caught all of the criminals that broke into it.” [MSNBC]
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Early humans trekking out of Africa moved faster than we thought they did: New archeological evidence suggests they reached the Persian Gulf 50,000 years before we previously thought.
Archeologists excavating a rock shelter in Jebel Faya, in the United Arab Emirates, found a cache of hand axes and other tools that date back 125,000 years ago. Their age was established by dating the silicon in the chert tools, and also via comparison to other artifacts:
Team member Anthony Marks of Southern Methodist University, an anthropologist, said the tools were made in ways consistent with the 125,000-years-ago time period and therefore raise the inevitable question of how they got to the area near the Persian Gulf…. “Either these people came out of East Africa or they came from nowhere,” he said. [The Washington Post]
The team’s research, published in Science, posits that the area’s climate had a role in spurring mankind’s expansion around the planet. Climate records suggest that the Red Sea was much shallower during an ice age that lasted from 200,000 to 130,000 years ago, because much of the world’s water was trapped in glaciers. This allowed early humans to cross the now-shallow Red Sea for new land in the southern Arabian peninsula, the researchers say. After the crossing, these early humans would have found themselves in a surprisingly fertile place: Towards the end of that ice age, the deserts of Arabia experienced a brief “wet” era with rivers, lakes, vegetation, and wildlife.
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