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The Amazon is teetering on the edge of a climate tipping point
In some recent years, the Amazon biome released more carbon than it absorbed, and further degradation could make it a permanent shift ⌘ Read more

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Astronauts could hitch a ride on asteroids to get to Venus or Mars
Asteroids that regularly fly between Earth, Venus and Mars could provide radiation shielding for human missions to explore neighbouring planets ⌘ Read more

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The surprising truth about the health benefits of snacking
We get about a quarter of our calories from snacks and new research shows that this isn’t necessarily bad for us. Done right, snacking can boost our health ⌘ Read more

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One course of antibiotics can change your gut microbiome for years
Antibiotics can reduce diversity in the gut microbiome, raising the risk of infections that cause diarrhoea - and the effects may last years ⌘ Read more

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Do certain foods suppress inflammation and help you live longer?
Recent research shows that anti-inflammatory diets are not as faddish as they might sound, with the power to reduce the risk of heart attacks and some cancers ⌘ Read more

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AI helps driverless cars predict how unseen pedestrians may move
A specialised algorithm could help autonomous vehicles track hidden objects, such as a pedestrian, a bicycle or another vehicle concealed behind a parked car ⌘ Read more

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How psychedelics and VR could reveal how we become immersed in reality
An outlandish experiment searching for a brain network that tunes up and down the feeling of immersion is hoping to unlock the therapeutic effects of psychedelics ⌘ Read more

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NASA is developing a Mars helicopter that could land itself from orbit
The largest and most ambitious Martian drone yet could carry kilograms of scientific equipment over great distances and set itself down on the Red Planet unassisted ⌘ Read more

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DNA helps match ‘Well Man’ skeleton to 800-year-old Norwegian saga
The Sverris saga describes how castle invaders “took a dead man and cast him unto the well, and then filled it up with stones”, in what may have been an early act of biological warfare - and now researchers believe they have found the skeleton of the man in question ⌘ Read more

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Earth is now gaining less heat than it has for several years
The recent surge in warming led to fears that climate change may be accelerating beyond model projections, but a fall in how much heat Earth is gaining makes this less likely ⌘ Read more

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Tiny battery made from silk hydrogel can run a mouse pacemaker
A lithium-ion battery made from three droplets of hydrogel is the smallest soft battery of its kind – and it could be used in biocompatible and biodegradable implants ⌘ Read more

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Complex form of carbon spotted outside solar system for first time
Complex carbon-based molecules crucial to life on Earth originated somewhere in space, but we didn’t know where. Now, huge amounts of them have been spotted in a huge, cold cloud of gas ⌘ Read more

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DNA has been modified to make it store data 350 times faster
Researchers have managed to encode enormous amounts of information, including images, into DNA at a rate hundreds of times faster than was previously possible ⌘ Read more

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Energy expert Vaclav Smil on how to feed the world without trashing it
The systems we use to produce food have many problems, from horrifying waste to their dependence on fossil fuels. Vaclav Smil explains how to fix them ⌘ Read more

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Extremely rare Bronze Age wooden tool found in English trench
In a wetland on the south coast of England, archaeologists dug up one of the oldest and most complete wooden tools ever found in Britain, which is around 3500 years old ⌘ Read more

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Morphing red blood cells help bats hibernate - and we could do it too
Animals that hibernate need a way to keep their blood flowing as their body temperature drops, and it seems that the mechanical properties of red blood cells may be key ⌘ Read more

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Can sensor technology stop a wildfire before it starts?
The US Department of Homeland Security is trialling chemical sensors that detect the first whiff of smoke in the air and alert fire crews while a potential blaze is still smouldering ⌘ Read more

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Amateur sleuth finds largest known prime number with 41 million digits
The largest prime number is now 16 million digits longer than the previous record found in 2018, thanks to an amateur hunter and his large collection of high-power graphics cards ⌘ Read more

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I’ve been boosting my ego with a sycophant AI and it can’t be healthy
Google’s NotebookLM tool is billed as an AI-powered research assistant and can even turn your text history into a jovial fake podcast. But it could also tempt you into narcissism and nostalgia, says Jacob Aron ⌘ Read more

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Many Iron Age swords may be tainted by modern forgery
Ancient weaponsmiths combined bronze and iron to fashion swords during the early Iron Age – but modern forgers glue together elements from different weapons, making it difficult for researchers to study the ancient technology ⌘ Read more

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Solving Stephen Hawking’s black hole paradox has raised new mysteries
Physicists finally know whether black holes destroy the information contained in infalling matter. The problem is that the answer hasn’t lit the way to a new understanding of space-time ⌘ Read more

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Simple plan could raise the billions needed to stem biodiversity loss
A 1 per cent levy on global retail sales would plug a funding gap of $200 billion when it comes to saving nature. Can COP16 get the world to agree to this ambitious proposal? ⌘ Read more

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