NASA's Voyager 2 probe enters interstellar space

December 9, 2018, 10:30 pm

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For the second time in history, a human-made object has reached the space between the stars. NASA's Voyager 2 probe now has exited the heliosphere -- the protective bubble of particles and magnetic fields created by the Sun. This illustration shows the position of NASA’s Voyager 1 and Voyager 2 probes, outside of the heliosphere, a protective bubble created by the Sun that extends well past the orbit of Pluto [Credit:...

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Solar activity research provides insight into sun's past, future

December 9, 2018, 11:00 pm

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Andrés Muñoz-Jaramillo of Southwest Research Institute and José Manuel Vaquero of the University of Extremadura have developed a new technique for looking at historic solar data to distinguish trustworthy observations from those that should be used with care. This work is critical to understanding the Sun's past and future as well as whether solar activity plays a role in climate change. A team led by SwRI integrated a sunspot drawing...

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Astronomers find evidence for carbon-rich surface on Ceres

December 9, 2018, 11:30 pm

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A team led by Southwest Research Institute has concluded that the surface of dwarf planet Ceres is rich in organic matter. Data from NASA's Dawn spacecraft indicate that Ceres's surface may contain several times the concentration of carbon than is present in the most carbon-rich, primitive meteorites found on Earth. NASA's Dawn spacecraft captured this 12.5-mile-across close-up of the central peak of the 99-mile-wide Urvara impact...

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OSIRIS-REx discovers water on asteroid, confirming Bennu as excellent mission target

December 10, 2018, 12:00 am

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From August through early December, the OSIRIS-REx spacecraft aimed three of its science instruments toward Bennu and began making the mission's first observations of the asteroid. During this period, the spacecraft traveled the last 1.4 million miles (2.2 million km) of its outbound journey to arrive at a spot 12 miles (19 km) from Bennu on Dec. 3. The science obtained from these initial observations confirmed many of the mission...

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Researchers create tiny droplets of early universe matter

December 10, 2018, 12:30 am

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Researchers have created tiny droplets of the ultra-hot matter that once filled the early universe, forming three distinct shapes and sizes: circles, ellipses and triangles. Visualization of expanding drops of quark gluon plasmas in three geometric shapes [Credit: Javier Orjuela Koop]The study, published in Nature Physics, stems from the work of an international team of scientists and focuses on a liquid-like state of matter called a...

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Banned toxins passed from mother to young in European dolphins

December 10, 2018, 1:00 am

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Dolphins in the northern Adriatic contain high levels of PCBs – highly toxic chemicals banned in the 1970s and 1980s – and are passing the pollutant to their young, according to new research led by a marine scientist at the University of St Andrews. Credit: Tilen Genov/ University of St AndrewsAn international team of researchers evaluated PCB and other organochlorine contaminants in bottlenose dolphins (Tursiops truncatus) living in...

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The fauna in the Antarctica is threatened by pathogens humans spread in polar latitudes

December 10, 2018, 1:30 am

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The new study, which detected bacteria from humans in the genus Salmonella and Campylobacter in Antarctic and Subantarctic marine birds, reveals the fragility of polar ecosystems and warns about the risk of massive deaths and extinctions of local fauna populations due pathogens. These zoonotic agents, which cause common infections in humans, are caught by scavenger marine birds in contact with humans or livestock, and spread...

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A glimmer of hope for the world's coral reefs

December 10, 2018, 2:00 am

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The future of the world's coral reefs is uncertain, as the impact of global heating continues to escalate. However, according to a study published in Nature Climate Change, the response of the Great Barrier Reef to extreme temperatures in 2017 was markedly different to one year earlier, following two back-to-back bouts of coral bleaching. Remarkably, corals that bleached and survived 2016 were more resistant in 2017 to a recurrence of...

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Life in deep Earth totals 15 to 23 billion tons of carbon - hundreds of times more than humans

December 10, 2018, 2:30 am

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Barely living "zombie" bacteria and other forms of life constitute an immense amount of carbon deep within Earth's subsurface -- 245 to 385 times greater than the carbon mass of all humans on the surface, according to scientists nearing the end of a 10-year international collaboration to reveal Earth's innermost secrets. A nematode (eukaryote) in a biofilm of microorganisms. This unidentified nematode (Poikilolaimus sp.) from Kopanang...

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DNA find: Tiny wallaby the last living link to extinct giant kangaroos

December 10, 2018, 3:00 am

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A QUT-led collaboration with University of Adelaide reveals that Australia's pint-sized banded hare-wallaby is the closest living relative of the giant short-faced kangaroos which roamed the continent for millions of years, but died out about 40,000 years ago. The diminutive banded hare-wallaby linked to the giant Sthenurinae kangaroos [Credit: Queensland University of Technology]Published in Systematic Biology, the research involved...

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Scientists discover how birds and dinosaurs evolved to dazzle with colourful displays

December 10, 2018, 4:00 am

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Iridescence is responsible for some of the most striking visual displays in the animal kingdom. Now, thanks to a new study of feathers from almost 100 modern bird species, scientists have gained new insights into how this colour diversity evolved. Two of the fossils sampled for the study with the fossil melanosomes found in each fossil (scanning electron microscope images). Scaniacypselus to the left and Primotrogon to the right....

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Humans may be reversing the climate clock, by 50 million years

December 10, 2018, 4:30 am

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Our future on Earth may also be our past. In a study published in the Proceedings of the National Academy of Sciences, researchers show that humans are reversing a long-term cooling trend tracing back at least 50 million years. And it's taken just two centuries. Epihippus gracilis, one of the many early horses found in the Hancock Mammal Quarry in Oregon, depicted around 30 million years ago. Their ancestors would have gotten their...

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Rapid genetic evolution linked to lighter skin pigmentation

December 10, 2018, 10:00 am

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Populations of indigenous people in southern Africa carry a gene that causes lighter skin, and scientists have now identified the rapid evolution of this gene in recent human history. San man of Namibia [Credit: Ian Beatty/WikiCommons]The gene that causes lighter skin pigmentation, SLC24A5, was introduced from eastern African to southern African populations just 2,000 years ago. Strong positive selection caused this gene to rise in...

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'Deluxe' carriage from 2,500 years ago unveiled in China

December 10, 2018, 11:00 am

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Archaeologists at the archaeology research institute of the Chinese Academy of Social Sciences have unveiled the details of a deluxe carriage unearthed in a cemetery dating back to the Eastern Zhou Dynasty (770-256 BC) in north China's Hebei Province. Credit: XinhuaAccording to the archaeologists, the carriage is 142.5 cm wide, 106 cm in length and has two wheels with a diameter of 140 centimeters and 38 spokes each. The large volume...

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Treasure in a clay pot: The buried copper coins of Delhi's Khirki Mosque

December 10, 2018, 12:00 pm

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Khirki is crowded, with narrow roads and tall buildings bundled together like Lego bricks stacked precariously. Smack in the middle of this chaos is Khirki Mosque, a 14th century fortress-like structure built during the Tughlaq dynasty. The style of writing on the coins indicates that they might be from the Lodi dynasty [Credit: V.V. Krishnan/The Hindu]The mosque is fenced in by high compound walls and the uneven ground is lower than...

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Antiparos: From the Early Cycladic Cemeteries to the Minoanising Middle Cycladic-Late Cycladic I Site at Agriokastro

December 10, 2018, 4:00 pm

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December 11, 2018 19.00 - LECTURE Dr Zozi Papadopoulou, Head of the Department of Prehistoric and Classical Antiquities, and Museums of the Ephorate for the Cyclades

The Cultural Politics of Phantasia in Late Antiquity and Early Byzantium: A Cognitive Historical Anthropological Approach

December 10, 2018, 4:00 pm

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December 11, 2018 7:00pm - LECTURE Panagiotis Roilos, Harvard University

G. Cupaiuolo (éd.), Bollettino di studi latini 48, 2018, fasc. II

December 10, 2018, 11:23 pm

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Giovanni Cupaiuolo (dir.), Bollettino di studi latini 48, 2018, fasc. II, Naples, 2018.

Éditeur : Paolo Loffredo Iniziative editoriali srl, iniziativeditoriali@libero.it
416 pages
ISSN : 0006-6583
Abbonamento due fascicoli: € 72.00 per l'Italia, € 90.00 per l'estero

 

Lire la suite...

Is the Crown Estate now Supporting Artefact Hunting?

December 10, 2018, 11:42 pm

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Searching history....for the Crown Estate.

Scandal.

UK Artefact Hunting: Most of it Already Robbed Out

December 11, 2018, 12:09 am

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Note this is a site under permanent grassland, most likely unploughed in recent times, yet even here some oik has hoiked as many of the diagnostic and other artefacts out that they take a fancy to. And where are they (and any  records they made) now?:

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published on You Tube by Ged Dodd 19 mar 2011

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PeaceHavens published 19 mar 2011

Metal detector hints. Even in the wilderness I am walking in the footsteps of some detectorist who has been there before me ... but with a bit of lateral thinking I find a new site that they missed ... nothing spectacular ... but new sites are still out there ... but it ain't easy.

"Someone's had a dig virtually everywhere" (Yorkshire dales 2011). So, in fact, if we were to STOP metal detecting tomorrow and concentrated on getting ll those old dug-up finds and their findspot details documented, we'd still be getting a lot of information about new sites, just the ones that have been dug-over by previous detectorists and not (yet) reported. The Ixelles Six (on pp. 323-34 of their recent joint article) claim that this hoiking on sites like this and the non-reporting of the material and information from them is "not cultural damage" because all that knowledge is not lost, it is just zero-gained, it's not been retrieved from them yet. The FLO says (The Foucault of Baz Thugwit?)  that the 'liminal potential' of these data has yet to be actively utilised through the application of 'the complex of relationships that comprise the 'discursive formation' of Archaeology'. The FLO says that non-recording is not a final denial. Let's see. Time to put those words to the test. Responsible detectorists - all of you - let's get the unreported material on record before any of you dig up and pocket any more!