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More than 600 years ago, someone intricately folded, sealed and posted a letter that was never delivered. Now, scientists have digitally “unfolded” this and other similarly locked letters found in a 17th-century trunk in The Hague, using X-rays.  For centuries prior to the invention of sealed envelopes, sensitive correspondence was protected from prying eyes through complex
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An ornate Roman chariot has been discovered “almost intact” near Italy’s buried city of Pompeii, the archaeological park announced on Saturday, calling it a discovery with “no parallel” in the country. The four-wheeled processional carriage was found in the portico to stables where the remains of three horses were unearthed in 2018, including one still
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Like the Universe’s tiniest matryoshka dolls, atoms are typically modelled as particles within particles – a nuclei built of protons and neutrons, which in turn contain trios of fundamental particles called quarks. As convenient as this simple metaphor might be, the quantum engine operating within these subatomic particles is an incomprehensible ledger of quantum economics:
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A team of US scientists has demonstrated that the offspring of huge carnivorous dinosaurs like Tyrannosaurus rex, who grew from the size of house cats to towering monsters, reshaped their ecosystems by outcompeting smaller rival species. Their study, published in the journal Science on Thursday, helps answer an enduring mystery about the 150-million-year rule of
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The Atlantic Meridional Overturning Circulation (AMOC) sea currents are vital in transporting heat from the tropics to the Northern Hemisphere, but new research suggests climate change might knock the AMOC out of action much sooner than we anticipated. That could have profound, large-scale impacts on the planet in terms of weather patterns, upending agricultural practices,