Category: Science

Science

Why cooling earth by reflecting sunlight back isn’t a bright idea

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The United Nations Environment Assembly this week considered a resolution on solar radiation modification, which refers to controversial technologies intended to mask the heating effect of greenhouse gases by reflecting some sunlight back to space. Image for Representation. | Photo Credit: Reuters The United Nations Environment Assembly this week considered a resolution on solar radiation modification, which refers to…

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Why a tiny gravity measurement may be a leap forward for physics

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Just over a week ago, European physicists announced they had measured the strength of gravity on the smallest scale ever. In a clever tabletop experiment, researchers at Leiden University in the Netherlands, the University of Southampton in the UK, and the Institute for Photonics and Nanotechnologies in Italy measured a force of around 30 attonewtons on a…

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AI has a big and growing carbon footprint, but algorithms can help

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Given the huge problem-solving potential of artificial intelligence (AI), it wouldn’t be far-fetched to think that AI could also help us in tackling the climate crisis. However, when we consider the energy needs of AI models, it becomes clear that the technology is as much a part of the climate problem as a solution. The…

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‘We look forward to work with ISRO and get the Indian astronaut into space’

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Dr. Nicola “Nicky” Fox, associate administrator, NASA Science Mission Directorate-NASA Headquarters, NASA Earth Science Director Dr. Karen M. St Germain with students at the Boeing National Aeromodelling Competition in Bengaluru on Tuesday. | Photo Credit: K. MURALI KUMAR Dr. Nicola Fox | Photo Credit: K. MURALI KUMAR Dr. Nicola “Nicky” Fox, associate administrator, NASA Science…

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What ended the ‘dark ages’ in the early universe? Webb telescope finds clue

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Which stars produced the light that ended the dark ages and triggered this so-called “epoch of reionisation”? Image for Representation. | Photo Credit: AP About 400,000 years after the Big Bang, the cosmos was a very dark place. The glow of the universe’s explosive birth had cooled, and space was filled with dense gas –…

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2023-24 El Nino among five strongest on record, will continue fuelling heat in 2024: WMO

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A woman pours water on her head as bathers enjoy a summer day due to the high temperatures at Agua Dulce beach in the Chorrillos district in Lima, Peru, February 25, 2024. | Photo Credit: Reuters The 2023-24 El Nino has peaked as one of the five strongest on record and will continue to impact…

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Scientists develop mathematical model to optimise elite athletes’ performance

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Lieke Klaver of Team Netherlands runs ahead of Lavial Nielsen of Team Great Britain in the first leg of the women’s 4 X 400 meters relay during the World Athletics Indoor Championships at the Emirates Arena in Glasgow, Scotland, Sunday, March 3, 2024. | Photo Credit: AP Scientists have developed a mathematical model that promises…

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Is placental oxygen level linked to foetal brain development?

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Oxygenation levels in the placenta, formed during the last three months of foetal development, are an important predictor of cortical growth (development of the outermost layer of the brain or cerebral cortex) and is likely a predictor of childhood cognition and behaviour, a study has found. Researchers had previously demonstrated a connection between placental health…

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Archaeologists in Egypt unearth section of large Ramses II statue

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A section of a limestone statue of Ramses II unearthed by an Egyptian-U.S. archaeological mission in El Ashmunein, south of the Egyptian city of Minya, Egypt in this handout image released on March 4, 2024. | Photo Credit: Reuters A joint Egyptian-U.S. archaeological mission has uncovered the upper part of a huge statue of King…

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