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Anglo-Saxon kingdom chose copper coins despite abundant silver
المصدر: Phys.org - latest science and technology news stories · نُشر
Analysis of silver and gold from the Anglo-Saxon kingdom of Northumbria finds that, contrary to popular belief, it did not suffer from a shortage of precious metals, questioning why the kingdom used copper-alloy coins rather than silver like its contemporaries.
Analysis of silver and gold from the Anglo-Saxon kingdom of Northumbria finds that, contrary to popular belief, it did not suffer from a shortage of precious metals, questioning why the kingdom used copper-alloy coins rather than silver like its contemporaries.
أخبار ذات صلة
Gatineau Park foliage reveals local Cold War nuclear testing legacy
For more than six decades, local scientists have collected sugar maple leaves from Gatineau Park to measure their radiocarbon levels, creating the longest continuous record of its kind. Now, a study of those leaves led by the André E. Lalonde National Facility for Accelerator Mas
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Accidental discovery enables room-temperature recrystallization of molybdenum
Researchers at the University of Rochester and Technion–Israel Institute of Technology accidentally discovered a new way to rearrange the internal structure of molybdenum—an extremely heat-resistant metal—at room temperature. Molybdenum is typically used to reinforce nuclear reac
Phys.org - latest science and technology news stories ·
Study identifies single amino acid change that alters Andes virus protein behavior in human cells
Mount Sinai researchers have identified a single amino acid difference between rodent- and human-derived Andes virus isolates that changes how a key viral protein behaves inside human cells. The findings help explain biological differences between closely related virus isolates.
Phys.org - latest science and technology news stories ·
Starling numbers are declining—we're investigating whether their spectacular murmuration displays are changing too
Every autumn, from city centers to wetlands, starling murmurations attract crowds of spectators. Thousands of birds fill the sky, twisting and turning in extraordinary waves as the sun sets. An entire flock moves as one, creating shapes that shift and dissolve as quickly as they
Phys.org - latest science and technology news stories ·
Methane-eating microbes grown on electrodes build electrically conductive nanowires
Certain microorganisms (anaerobic methanotrophic archaea, or ANME) consume methane and convert it into electricity, as research conducted four years ago by microbiologist Cornelia Welte of Radboud University revealed. New research by Welte and her colleagues published in Nature C
Phys.org - latest science and technology news stories ·