Maya Long Count calendar and European calendar linked using carbon-14 dating
(Phys.org) —The Maya are famous for their complex, intertwined calendric systems, and now one calendar, the Maya Long Count, is empirically calibrated to the modern European calendar, according to an international ...
Carbon dating uncovers forged Cubist painting
Choosing the right physical technique to analyse paintings can make all the difference when it comes to ascertaining their authenticity. Now, a painting initially attributed as belonging to a series called 'Contraste de formes' ...
Eating nuts caused tooth decay in hunter-gatherers
Eating nuts and acorns may have helped hunter-gatherers survive 15,000 years ago in northern Africa but the practice wreaked havoc on their teeth, researchers said Monday.
Dog skull dates back 33,000 years
If you think a Chihuahua doesn't have much in common with a Rottweiler, you might be on to something.
Plants may affect the effect of wildfires
(PhysOrg.com) -- Rising temperatures may lead to more tinder-dry vegetation, but that doesn't mean there will be a higher risk for wildfires in a particular area.
Micro-scale technique helps preserve rock art legacy
An interdisciplinary team has used a new technique known as plasma oxidation to produce radio carbon dates for paint fragments as small as 10 micrograms in width.
Investigating ocean currents using uranium-236 from the 1960s
Stephan Winkler, isotope researcher at the University of Vienna, has identified the bomb-pulse of uranium-236 in corals from the Caribbean Sea for the first time. 236U was distributed world-wide in the period ...
Biological sample prep time cut from days to minutes
When Lawrence Livermore National Laboratory researchers invented the field of biological accelerator mass spectrometry (AMS) in the late 1980s, the process of preparing the samples was time-consuming and ...
Cosmogenic field trip in the Top End
Dr Toshi Fujioka and Dr David Fink from the Institute of Environmental Research ICCAS project, together with Dr Hendrick May, an ARC DECRA Fellow from University of Wollongong, carried out fieldwork in Kakadu ...
New technology for dating ancient rock paintings
A new dating method finally is allowing archaeologists to incorporate rock paintings — some of the most mysterious and personalized remnants of ancient cultures — into the tapestry of evidence used to study life in prehistoric ...