Science
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Daily pill could replace weight-loss shots like Ozempic and Wegovy
Can weight-loss drugs ditch the needles? Aleksandr Zubkov/Getty Images A daily pill appears to lower blood sugar in people with type 2 diabetes as effectively as injectable drugs like Ozempic and Mounjaro. The medication, called orforglipron, also led to substantial weight loss in clinical trials, meaning it could become a convenient alternative to popular weight-loss drugs. Drugs mimicking the hormone…
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Antarctic teams drill oldest ice cores yet in search of climate clues
The camp at Dome C on the East Antarctic plateau where the Beyond EPICA team are drilling ice cores Rob Mulvaney More than a century ago, explorers from several countries raced to reach the globe’s southernmost point, driven by fierce international rivalries. Now, a new race is under way in Antarctica, this time motivated by the need to understand one…
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No, the dire wolf has not been brought back from extinction
Romulus and Remus are genetically modified grey wolves Colossal Biosciences A company called Colossal Biosciences says it has revived an extinct species – the dire wolf. “On October 1, 2024, for the first time in human history, Colossal successfully restored a once-eradicated species through the science of de-extinction. After a 10,000+ year absence, our team is proud to return the…
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US bridges are at risk of catastrophic ship collisions every few years
In March 2024, a cargo ship smashed into the Francis Scott Key Bridge in Baltimore, Maryland UPI / Alamy One year after a container ship ran into the Francis Scott Key Bridge in Baltimore, Maryland, causing the structure’s collapse, a study has identified other major US bridges that are surprisingly vulnerable to similar catastrophic ship strikes – and their collective…
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Floating wood could help us refreeze the Arctic seas
Sea ice coverage in the Arctic has rapidly declined due to global warming Arterra Picture Library / Alamy Modified floating wood could seed the formation of new sea ice in the Arctic, helping counteract the rapid decline of ice coverage due to global warming. The area of the Arctic Ocean covered by ice is shrinking as the climate warms, and…
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Most quakes on Mars happen during the summer – and we don’t know why
A fracture on Mars’s surface, taken in January 2018 by the European Space Agency’s Mars Express craft ESA/DLR/FU Berlin Thousands of mysterious quakes on Mars that only happen during summer are unlike any known earthquakes, puzzling scientists. Since NASA’s InSight lander reached Mars in 2018, it has recorded thousands of marsquakes, including some surprisingly large quakes that indicate the planet…
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Major ship collision in UK waters sparks fears of toxic chemical leak
Fire and rescue services douse fires after a collision between an oil tanker and a cargo ship carrying sodium cyanide Getty Images Europe Scientists fear a major collision between a cargo ship and a fuel tanker in the UK’s North Sea could cause a huge leak of toxic chemicals into delicate marine habitats, with potentially devastating consequences for local wildlife.…
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US military wants to grow giant biological structures in space
DARPA envisions growing structures hundreds of metres long Science Photo Library / Alamy Stock Photo The US military is brainstorming ways to build large structures in space, from telescope antennas to elevator tethers. By growing these objects in microgravity using biological organisms, they hope to avoid the costly and painstaking process of launching components from Earth. “We have yet to…
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Big animals have higher cancer risk – but also evolved better defences
African elephants have extra copies of genes that help resist cancer Neil Aldridge/Nature Picture Library/Alamy Bigger animals live longer and have more cells that could go awry, so we would expect them to have a greater risk of developing cancer. A comprehensive analysis of 263 species suggests this is indeed the case, but also finds that some large animals have…
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AI-generated optical illusions can sort humans from bots
An AI-generated image of a city skyline and a man’s face – but AIs are unable to see both Ziqi Ding et al. (2025) Artificial intelligence programs can create optical illusions that other AIs are unable to recognise, creating a useful CAPTCHA test to differentiate humans from bots. A cat-and-mouse game has played out for almost two decades between website developers…
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