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Science Quiz: When sound gets on the move Visual: What’s the name for the part of the human ear visible outside the head? It’s called the pinna in non-human animals. START THE QUIZ 1 / 6 | What’s the name for the part of the human ear visible outside the head? It’s called the pinna…
Indian Space Research Organisation (ISRO) chairman V. Narayanan said that ISRO was working on a project that was announced by Prime Minister Narendra Modi in 2018 wherein humans will be sent to space. He was in Coimbatore to take part in a private college function. At Coimbatore Airport, he said that an unmanned satellite would…
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Astronomers have announced that they have discovered a new neighbour in the earth’s skies: asteroid 2025 PN7, confirmed in September 2025 to be the planet’s latest quasi-satellite. (The prefix ‘quasi’ means almost.) First spotted on August 2 by the Pan-STARRS 1 telescope in Hawaii, 2025 PN7 is a member of the Arjuna asteroid class —…
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“At Independence, the new Government of India … made the building of big dams a central part of its strategy for transforming India, a commitment to which it adhered for decades,” historian Daniel Klingensmith wrote in his 2007 book ‘One Valley and a Thousand’. The Damodar Valley Corporation, the Bhakra Nangal, and the Hirakud in…
Mosquito-borne diseases such as dengue fever are an increasing threat to global health. Rapid urbanisation and climate change have created ideal conditions for mosquitoes to breed — while expanding global travel has accelerated the spread of these infections to new regions and populations. A new study published last week has now added an unexpected twist…
Read More “Crosstalk: waning immunity against Japanese encephalitis worsens dengue” »
The story so far: For many decades, one of the great challenges in artificial intelligence (AI) has been teaching machines to reason. Reasoning goes beyond memorising facts or completing sentences. It’s the ability to follow steps, reflect on mistakes, and adjust strategies until the right answer is found. Humans use reasoning for everything from solving…
Read More “How the DeepSeek-R1 AI model was taught to teach itself to reason | Explained” »
Image for representation purposes only. | Photo Credit: Getty Images The National Centre for Biological Sciences (NCBS), in a collaborative study, have found that two simple environmental factors — calcium and pH — dictate whether the cancer spheroids hold together, fall apart, or even rebuild themselves from scratch. Floating cluster of cells When ovarian cancer…
Read More “New study finds how calcium and pH regulate ovarian cancer spheroids” »
For years, farmers across India have struggled to protect mango, guava, sapota, and other citrus crops from the attack of fruit flies. Now, after three years of research and trials, scientists at the National Bureau of Agricultural Insect Resources (NBAIR), Bengaluru, (under the Indian Council of Agricultural Research) have developed a device – ‘Shatpada Fruit…
Read More “Bengaluru scientists develop affordable fruit fly trap; seek global patents” »
Science quiz: Tinkering with storms Visual: Name this 1947 hurricane that became the subject of controversy after its sharp turn to the northeast, into Florida, was blamed on cloud-seeding. START THE QUIZ 1 / 6 | Name this 1947 hurricane that became the subject of controversy after its sharp turn to the northeast, into Florida,…
Ion chromatography, or the process of separating ions from a sample by passing it through a long column, is usually carried out in a laboratory using expensive, sophisticated equipment. Now, scientists at the University of Tasmania in Australia have devised a simpler way to perform the technique out in the field — one that could…
Read More “Portable ion chromatograph brings real-world practice to classrooms” »
