Over the last two decades, a small shelf of Indian nonfiction has treated the city itself as an environmental object. Jyoti Pande Lavakare’s Breathing Here is Injurious to Your Health and Siddharth Singh’s The Great Smog of India explored North India’s atmospheric pollution as a human-made crisis with human costs sustained by official short-termism and...
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January 1, 2026January 1, 2026Health, Science & Tech
Frailty, depression in older adults may together account for 17 % of dementia risk: Study
Older adults who are frail and have depression could be at a higher risk of dementia, with the factors combined contributing to 17 per cent of the overall risk, according to a study. The findings, published in the journal General Psychiatry, suggests that while frailty and depression each increase dementia risk on their own, having...
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January 1, 2026January 1, 2026Science & Tech
Study Abroad: How 2025 taught Indian students to carefully scrutinise options and choose
For much of the past decade, study abroad was discussed in India in terms of momentum. Numbers rose year after year, destinations multiplied, and overseas education came to be seen as an almost automatic pathway to global opportunity. In 2025, that narrative began to change. Applications softened across several markets, visa rules tightened or were...
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January 1, 2026January 1, 2026Science & Tech
AI a ‘big opportunity’, essential to ensure its benefits reach all: President Murmu
Describing Artificial Intelligence as a “big opportunity” for ushering in positive change, President Droupadi Murmu on Thursday (January 1, 2026) said it is essential to ensure that its benefits reach all sections of the society, especially the underprivileged. Addressing a programme organised by Ministry of Skill Development and Entrepreneurship, she observed that AI is emerging...
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January 1, 2026January 1, 2026Science & Tech
Earthlife is made of space stuff, studies of asteroid Bennu hint
In October 2020, when the world was beginning to come out of a global lockdown, a spacecraft more than 3 lakh km away performed a pogo-stick jump on a small asteroid called Bennu and collected samples of its surface. The craft, part of NASA’s OSIRIS REx, then launched itself away from the asteroid and towards...
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January 1, 2026January 1, 2026Science & Tech
Sex systems drive faster mitochondrial evolution in many insects
Researchers from the University of Guelph in Canada have reported an astonishing discovery: that the number of chromosome sets in their bodies’ cells seems to be linked to the rate at which the species’ mitochondrial genome evolves. This is unusual because mitochondrial DNA sits in a separate genome from the chromosomes in the nucleus and...
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December 31, 2025December 31, 2025Science & Tech
India’s space programme, a people’s space journey
India’s space journey has evolved beyond a string of spectacular missions. It has the national pulse and is a source of daily inspiration. In June 2025, when Group Captain Shubhanshu Shukla displayed the Tricolour aboard the International Space Station (ISS) and spoke to Prime Minister Narendra Modi, it was a moment of pride for every...
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December 31, 2025December 31, 2025Science & Tech
Science quiz: Chemistry’s foul fellows
Science quiz: Chemistry’s foul fellows Visual: Name the molecule depicted by this ball-and-stick model. It’s responsible for vinegar’s odour and imparts its sour taste. START THE QUIZ 1 / 6 | Name the molecule depicted by this ball-and-stick model. It’s responsible for vinegar’s odour and imparts its sour taste.
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December 31, 2025December 31, 2025Science & Tech
Microbe might spark first stages of ulcerative colitis: new study
Medical researchers have traditionally viewed ulcerative colitis as a disorder driven by an overactive immune response or damage to the gut’s epithelial barrier. But a new study has argued that the disease may actually start earlier, when a normally hidden layer of immune cells just beneath the gut lining begins to become thinner. Specifically, the...
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December 30, 2025December 30, 2025Science & Tech
Why do we get headaches?
A: A headache happens when tissues in and around the head that are sensitive to pain become irritated or pushed out of balance. While the brain tissue itself doesn’t feel pain, structures nearby such as blood vessels in the coverings around the brain (the meninges), nerves that carry sensation from the face and scalp, muscles...
