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After 10 months of intensive exploration, scientists in Mexico have discovered the world’s largest flooded cave system – and it’s truly an underwater wonderland. Spanning an incredible 347 kilometres (216 miles) of subterranean caverns, this branching, sunken labyrinth isn’t just a natural spectacle – it’s also an important archaeological find that could reveal lost secrets of
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Isn’t it beautiful? This is an illustrated logarithmic scale conception of the observable Universe with the Solar System at the centre. Encircling the Solar System are the inner and outer planets, Kuiper belt, Oort cloud, Alpha Centauri star, Perseus Arm, Milky Way galaxy, Andromeda galaxy, other nearby galaxies, the cosmic web, cosmic microwave radiation, and invisible
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Over the past two decades, the positive psychology movement has brightened up psychological research with its science of happiness, human potential and flourishing. It argues that psychologists should not only investigate mental illness but also what makes life worth living.   The founding father of positive psychology, Martin Seligman, describes happiness as experiencing frequent positive
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Ever since technological advancements made drones possible, people have warned of the potential dangers of weaponised UAVs (unmanned aerial vehicles), which could effectively become murderous slaughterbots we need to defend ourselves against.   Now, it looks like those fears have become a reality. The Russian Ministry of Defence claims its forces in Syria were attacked
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Japanese astronaut Norishige Kanai told a tall tale. He said Monday on Twitter that he grew 3½ inches (9 centimetres) since arriving at the International Space Station on December 19.   Weightlessness has that effect: Without gravitational force compressing the spine, fluid between the discs fluctuates as they temporarily expand, like a coiled spring unspooled
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It’s pretty hot in Australia right now. A brutal heatwave that’s incinerated temperature records threatens devastating bushfires – and to make matters worse, authorities have to contend with an ancient breed of flying arsonists that may as well be miniature dragons.   A new study incorporating traditional Indigenous Australian ecological knowledge describes the largely unknown