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Dramatic stone masks, iconic finds in the ancient Mexican city of Teotihuacan, were supposed to be made from a jadelike stone. Many researchers also thought the large faces were made on the site of the pre-Columbian metropolis. Instead, they seem to have been made in workshops a great distance to the south of the city. And they are made of softer stone like serpentinite and polished with quartz. Quartz does not appear around Teotihuacan, bolstering the notion that the masks were made far away. “Almost everything that has been written about the making of the Teotihuacan masks is untrue,” says Jane Walsh, an anthropologist at the Smithsonian National Museum of Natural History in Washington, D.C.
Las Medulas in Leon is considered to be the largest opencast goldmine of the Roman Empire, but the search for this metal extended many kilometres further south-east to the Erica river valley.
Researchers have deciphered an ancient Egyptian handbook, revealing a series of invocations and spells.
A group of intrepid archaeologists are excavating a 5,000 year old ancient site on the Turkish-Syrian border within sight of the black flag of ISIS.
University of Southampton archaeologists are working to save important Palaeolithic remains at a rare Neanderthal site, before they are lost to the forces of nature.
Working at the edge of a coal mine in India, a team of Johns Hopkins researchers and colleagues have filled in a major gap in science's understanding of the evolution of a group of animals that includes horses and rhinos. That group likely originated on the subcontinent when it was still an island headed swiftly for collision with Asia, the researchers report Nov. 20 in the online journal Nature Communications.
Biologists long assumed that one-way air flow was a special adaptation in birds driven by the intense energy demands of flight. But now scientists have shown that bird-like breathing also developed in green iguanas – reptiles not known for high-capacity aerobic fitness. The finding bolsters the case that unidirectional bird-like flow evolved long before the first birds.
IT DIDN'T take long. Just a few thousand years after humans began to domesticate crops, a wide variety of weeds had adapted to exploit the new farmlands – with some species seeming to have evolved, like crops, to be completely dependent on cultivated land.
Animal teeth, bones and plant remains have helped researchers from Cambridge, China and America to pinpoint a date for what could be the earliest sustained human habitation at high altitude.
If you want to see into the future, you have to understand the past. An international consortium of researchers under the auspices of the University of Bonn has drilled deposits on the bed of Lake Van (Eastern Turkey) which provide unique insights into the last 600,000 years.
Related: Erdogan says Muslims discovered Americas - "Turkish leader says Muslims, not Christopher Columbus, discovered continent in 1178, offering to build a mosque in Cuba."
The origins of a massive 1.8 billion-year-old crater in Canada has been revealed
The number of lightning strikes across the UK has been significantly affected by solar activity, according to new research.
Alt: Sun's rotating 'magnet' pulls lightning towards UK
Astrobiologists like to argue about the various parameters required for planetary habitability, but one thing they tend to agree on is that water must be present. A new theory upends this assumption by suggesting that alien life could thrive on "supercritical carbon dioxide" instead.
An unusual object about 90 million light-years from Earth might be a supermassive black hole kicked out of its home galaxy during a collision with another galaxy, a new study suggests. If so, it’s the first evictee to be confirmed as such by astronomers. The object, dubbed SDSS1133, lies about 2600 light-years from the center of a dwarf galaxy known as Markarian 177.
THERE’S something odd about black holes. Not only do they twist the laws of physics into infinity, they’ve now been discovered to be eerily aligned.
Related: Big Bang's Echo May Reveal Skeleton of the Universe
The mysterious substance that makes up most of the matter in the universe may be destroying neutron stars by turning them into black holes in the center of the Milky Way, new research suggests.
Picture a device that can produce electricity using nothing but the ambient heat around it. Thanks to research published in the Proceedings of the National Academy of Science today, this scenario is a step closer – a team from MIT has created an electrochemical cell which uses different temperatures to convert heat to electricity.
Related: Water bottle for bike collects moisture from the air
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