Category: Science

Science

What is the technology behind manufacturing a semiconductor chip? | Explained

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What is the technology behind manufacturing a semiconductor chip? | Explained

For representative purposes. | Photo Credit: iStockphoto The story so far: Semiconductor chip manufacturing capabilities are currently limited to very few regions in the world. With supply chain disruptions during the pandemic and recent geopolitical tensions, many companies and countries, including India, have realised the importance of investing in chip manufacturing infrastructure. The TATA group…

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How genetics is revealing skin colour biology is more than skin-deep

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How genetics is revealing skin colour biology is more than skin-deep

Students of a school in Rameswaram, Tamil Nadu, wave at the camera, April 18, 2018. | Photo Credit: Church of the King/Unsplash Skin, with its wide spectrum of textures, hues, and histories, has long captivated the imagination of poets and storytellers. It has served as a canvas for the expression of beauty, identity, and cultural…

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Kerala researchers batting for better understanding of the flying mammal

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Kerala researchers batting for better understanding of the flying mammal

Participants at the training programme on bat research held recently at KFRI, Thrissur. | Photo Credit: Special Arrangement Myth, superstition, and zoonotic diseases such COVID-19 and the Nipah virus infection, have created a negative impression of bats. The fallout is that these nocturnal, flying mammals are losing their habitat and their numbers are falling. On…

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Over-reliance on smear microscopy for TB detection continues

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Over-reliance on smear microscopy for TB detection continues

The proportion of molecular testing in 2023 has not increased compared with 2022 The presumptive TB testing rate in the country increased from 1,352 per lakh population in 2022 to 1,710 per lakh population in 2023. However, even two years before the 2025 deadline that the government has set to “eliminate” TB in India, only…

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Can large landslides be remotely detected in real-time?

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Can large landslides be remotely detected in real-time?

Now it is possible to remotely detect large landslides within minutes of occurrence and to quickly determine whether they are close to open water and present a tsunami hazard. Researchers at the University of Alaska Fairbanks have devised a way to determine a landslide’s location, volume and potential impact. This might support the National Oceanic…

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Influenza A H5N1 detected in dairy cows in six States in the U.S.

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Influenza A H5N1 detected in dairy cows in six States in the U.S.

Avian influenza (bird flu) is a highly contagious viral infection that primarily affects birds. An emerging new lineage 2.3.4.4b of avian influenza has been spreading across the globe since late 2020, carried by migratory birds following specific routes. This panzootic has a significant effect on the avian population with disastrous consequences to the ecology and…

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Cracking the mystery of how the chemical origins of life formed

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Cracking the mystery of how the chemical origins of life formed

Heat flows through cracks in rocks, such as those found in volcanoes or geothermal systems, can purify molecules relevant to the chemical origins of life, laboratory experiments described in a study published in the journal Nature reveal. The study offers an explanation for how the first building blocks of life may have formed from complex chemical mixtures. The…

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The Southern Ocean has the earth’s cleanest air — scientists finally know why

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The Southern Ocean has the earth’s cleanest air — scientists finally know why

The Southern Ocean is renowned for having the cleanest air on Earth. But the precise reasons why have remained a mystery, until now. Image for Representation. | Photo Credit: AP The Southern Ocean is renowned for having the cleanest air on Earth. But the precise reasons why have remained a mystery, until now. There’s more to it…

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A century after the EEG was discovered, it remains a crucial tool for understanding the brain

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A century after the EEG was discovered, it remains a crucial tool for understanding the brain

Jena, Germany, 1924: Working in near-isolation and with painstaking tediousness, the psychiatrist Hans Berger observes rhythmic electrical activity from the scalp of human subjects. He is convinced the activity arises from within the brain and coins the term “electroencephalogram.” It is 10 years before the scientific community accepts Berger’s work, birthing the field of electroencephalography, or EEG for…

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Scientists investigate thousands of dead Antarctic penguins for bird flu

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Scientists investigate thousands of dead Antarctic penguins for bird flu

Scientists are concerned specifically that the often fatal H5N1 influenza could decimate threatened species of penguins and other animals on the remote southern continent. | Photo Credit: AP Has bird flu already killed hundreds, if not thousands of penguins in Antarctica? That’s what researchers are seeking to find out after a scientific expedition last month…

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