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Brilliantly blue beads from Europe unearthed by archaeologists in Arctic Alaska may predate Christopher Columbus‘ arrival in the New World, a new controversial study finds. These blueberry-size beads were likely created in Venice during the 15th century and then traded eastward, enduring a 10,500-mile (17,000 kilometer) land-based journey east across Eurasia and then boated across the
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Fossil fuel pollution caused more than eight million premature deaths in 2018, accounting for nearly 20 percent of adult mortality worldwide, researchers reported Tuesday. Half of that grim tally was split across China and India, with another million deaths equally distributed among Bangladesh, Indonesia, Japan and the United States, they reported in the journal Environmental
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From childhood, we are taught that the world exists in three physical dimensions. That’s true, for the most part, but it skips over something quite fascinating: the strange two-dimensional world of nanoscale materials, like the ‘wonder material’ graphene.   Graphene and its engineered, single-layer counterparts do in fact exist in three dimensions, albeit just barely
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A new technique involving entangled photons has just led to a world first. Physicists have overcome a significant limitation of traditional holography by using quantum mechanics to successfully encode information within a hologram.   This could result in a significant upgrade to holography, from entertainment purposes to more serious applications such as medical imaging. “Classical
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In a significant move, Facebook has announced it will remove any misleading claims and misinformation about the COVID-19 vaccines from both Facebook and Instagram. It’s part of a broader move to help combat fake news about the pandemic. Since December, the platform has been removing claims about the coronavirus that have been debunked by health
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People who are fundamentally entitled, self-confident, manipulative, and callous do really well in the modern workplace. Now, a new study in Italy suggests those who show five narcissistic personality traits climb the corporate ladder much faster than their peers.   In a survey of 172 Italian CEOs, those who scored higher in extraversion, overconfidence, self-esteem,
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An investigation in Poland has found people who show certain antisocial personality traits are more likely to support radical group actions and violence. Among 877 students, psychologists found those who ranked highly for ‘disinhibition’ or ‘meanness’ also displayed greater political radicalisation in a survey.    Meanness, which refers to cold-heartedness or callousness, was found to
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US cities are significantly undercounting their greenhouse gas emissions, according to a new study published this week in Nature Communications. The researchers compared self-reported emissions data from 48 US cities to independent estimates based on federal data about factories, power plants, and roads, among other sources.   They found cities are under-reporting by nearly 20
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The discovery of a rare “mud mummy” from ancient Egypt has surprised archaeologists, who weren’t expecting to find the deceased encased in a hardened mud shell. The “mud carapace” is an unparalleled find; it reveals “a mortuary treatment not previously documented in the Egyptian archaeological record,” the researchers wrote in the study, published online Wednesday (Feb. 3)
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Scientists have developed a new kind of cryogenic computer chip capable of functioning at temperatures so cold, it approaches the theoretical limit of absolute zero. This cryogenic system, called Gooseberry, lays the groundwork for what could be a revolution in quantum computing – enabling a new generation of machines to perform calculations with thousands of
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The world’s smallest male reptile can fit right on your fingertip – if its massive genitals don’t get in its way. Meet Brookesia nana, an extremely tiny species of chameleon from the rainforests of northern Madagascar.   Researchers recently described one male and one female of the species in a study published January 28 in the journal Scientific Reports,
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An international team of scientists in South China accidentally discovered the oldest terrestrial fossil ever found, about three times more ancient than the oldest known dinosaur.   Investigations are still ongoing and observations will need to be independently verified, but the international team argues the long thread-like fingers of this ancient organism look a lot