Category: Science

Science

New low-cost MRI machine can improve access to diagnostics in India

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Scientists have designed a magnetic resonance imaging (MRI) scanner that costs a fraction of existing machines, setting the stage for improving access to this widely used diagnostic tool. A MRI helps visualise minute details in the human body, with which doctors can diagnose disorders and select treatments for the brain, the heart, various cancers, and…

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ICMR study finds the drivers of COVID-19 vaccine hesitancy

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A survey-based study by ICMR was held between July and September 2022 involving 600 adult participants A small survey-based study held between July and September 2022 involving 600 adult participants from two blocks in Gorakhpur district in Uttar Pradesh has found that COVID-19 vaccine hesitancy among the participants was around 12%. This included those participants…

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The Science Quiz | The weird shapes of space

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Visual: In 1829-1830, Russian mathematician Nikolai Lobachevsky worked out hyperbolic geometry. Name the Hungarian mathematician (above) who achieved the same feat in 1932. 1. Geometry is the study of some properties of space. Hyperbolic geometric is a form of this geometry created when the parallel postulate of _________ geometry is replaced. Fill in the blank…

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Why do fish in schools have an easier time swimming in rough waters?

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Swimming through turbulent water is easier for schooling fish compared to solitary swimmers. The turbulent sheltering hypothesis, which suggests that traveling in schools allows fish to shield each other from disruptive water currents, thus making it easier to swim through rough waters. The researchers tested their hypothesis using giant danios (Devario aeqipinnatus), and observed these…

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ISRO all set for third reusable launch vehicle landing experiment

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File pic of the successful LEX-02 mission in March 2024. Taking its Reusable Launch Vehicle (RLV) programme one more step closer to reality, the Indian Space Research Organisation (ISRO) is all set to carry out the third and final RLV landing experiment (RLV LEX). Speaking to The Hindu about the upcoming test mission, S. Unnikrishnan…

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World Ocean Day 2024: Understand the Indian Ocean and you’ll understand much about earth

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On World Oceans Day (June 8), we can take in the wonders of the smallest of the three major oceans right in our front yard. The Indian Ocean has been getting a lot of attention recently for its rapid warming and the outsized influence it continues to have on its peers. As it happens, the…

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Microneedle patch reverses hair loss caused by autoimmune disease

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Alopecia areata is an autoimmune disease characterised by hair loss, which occurs when T cells of the immune system mistakenly attack hair follicles. To restore control over hyperactive immune cells, researchers developed a cutting-edge approach to deliver T cell regulators directly to sites of hair loss and halt autoimmune activity. The findings, published in the journal Advanced…

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