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Scientists have uncovered the earliest hints of human-caused changes in Earth’s geological processes, and they suggest that we’ve been impacting the planet’s climate and ecosystems for up to 11,500 years. Based on core samples dug up from the Dead Sea, erosion rates in the area were completely incompatible with what was going on elsewhere during
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Some 5,000 light-years from Earth, there’s a bizarre and mysterious nebula that clocks an average temperature of just 1 Kelvin (−272.15 °C or −457.87 °F), making it the coldest natural object in the known Universe. For decades, scientists have struggled to explain how this otherwise unremarkable cloud of gas maintains temperatures colder than empty space
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It’s been a particularly glum couple of days for climate scientists, with President Donald Trump withdrawing US support for the Paris Climate Agreement, an action that resulted in the resignation of serial entrepreneur Elon Musk from his government advisory posts. The move was widely criticised by experts, other nations, and the majority of Americans as a major setback in the global fight against climate change.
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The effects of zero gravity on the human body are taxing, regardless of gender, and NASA has found no differences between men and women in terms of their psychological and behavioural responses to space flight. But sex does seem to have a role in how being in space for long periods of time affects astronauts’ bodies.   In June
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For every ten people hit by lightning, nine will survive. But what are the lasting effects of being exposed to hundreds of millions of volts? Sometimes they’ll keep the clothing, the strips of shirt or trousers that weren’t cut away and discarded by the doctors and nurses.   They’ll tell and retell their story at
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For the third time in two years, physicists have detected ripples in the fabric of spacetime, called gravitational waves, that Albert Einstein predicted the existence of more than 100 years ago with his theory of general relativity. “Einstein continues to rock, in the sense that we keep pushing the boundaries of his theory,” Vicky Kalogera, an astrophysicist at Northwestern
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Scientists studying the pattern of circadian rhythms have found that one central body clock could be controlling several others at the same time. By examining fruit flies – which, like humans, have several circadian clocks affecting the rhythm their daily biological processes – researchers have found evidence of a single ‘master’ clock that leads all other internal clocks related
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Scientists have found new evidence to support the idea that matter vanishes completely when it falls into a supermassive black hole, suggesting Einstein was right about these unquenchable voids lurking throughout the Universe. The findings show that black hole event horizons – the invisible barriers beyond which nothing can escape the intense pull of gravitational
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Changing your meal times could be enough to reset one of your internal body clocks, researchers have found, giving us new insight into the relationship between when we eat and our body’s circadian rhythms. While previous studies have spotted a connection between nutrition, metabolism, and circadian rhythms in the human body, this new research pins
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Researchers in Russia say they’ve developed and tested the world’s first blockchain that won’t be vulnerable to encryption-breaking attacks from future quantum computers. If the claims are verified, the technique could be a means of protecting the vast amounts of wealth invested in fast-growing cryptocurrencies like Bitcoin and Ethereum – which are safe from today’s