Failure of atomic clock cripples ISRO’s NavIC system

The NavIC (Navigation with Indian Constellation) and GPS (Global Positioning System) logos, along with a satellite model, are shown on the map in this illustration. File | Photo Credit: Reuters The last atomic clock aboard the Indian Space Research Organisation’s (ISRO) Indian Regional Navigation Satellite System (IRNSS)-1F satellite has failed, ISRO has said in a … Read more

Pi Day 2026: significance of the mathematical constant π

Image used for representation purpose only. Stock photo | Photo Credit: Getty Images/iStockphoto Pi Day is observed every year on March 14, marking the significance of the mathematical constant π (pi). The day is commemorated by mathematics enthusiasts around the world in recognition of the subject’s enduring legacy. March 14 is chosen because the first … Read more

Antibiotics can leave a long-term footprint on our gut microbiome: study

The most commonly prescribed antibiotic to treat infections outside hospitals in Sweden – penicillin V – was linked to more short-lasting microbiome changes. Photograph used for representational purposes only | Photo Credit: Getty Images/iStockphoto We have always known that antibiotics, life-saving drugs in serious infections, affect the composition of our gut microbiome (community of bacteria living … Read more

Experts clash over HALEU-Th fuel for Indian nuclear reactors

A January report in the journal Current Science authored by scientists at the Bhabha Atomic Research Centre (BARC) has turned radioactive with one of India’s leading nuclear scientists characterising the conclusions of the report as “misleading.” The study compared the relative merits of different mixes of nuclear-power-grade uranium and concluded that a mix of concentrated … Read more

India-made app turns impaired speech into clear speech in near-realtime

A whisper. A few slurred words. For those who suffer from dysarthria, a motor speech disorder, basic communication is a challenge, indelibly affecting both their professional and personal life. But now a new innovation based on artificial intelligence (AI) and developed in India could be life-changing. Led by associate professor Vineet Gandhi of the International Institute … Read more

ISRO, AIIMS sign MoU for cooperation in space medicine and research

ISRO said that long duration human space missions such as Bharatiya Antariksh Station and crewed missions to Moon offer unique medical challenges due to the extreme space environment and microgravity. | Photo Credit: Reuters The Indian Space Research Organisation (ISRO) has signed a memorandum of understanding (MoU) with the All India Institute of Medical Sciences … Read more

The Uncut Diamond: Book explores the life of pioneering physicist and meteorologist Anna Mani

Anna Mani | Photo Credit: Special Arrangement Researcher and writer Asha Gopinathan remembers asking children to name a female scientist when working on science popularisation programmes with the Alliance Francaise in Thiruvananthapuram in March 2015. After several moments of silence, a hand went up and a voice said ‘Marie Curie’. “I realised then that something … Read more

Earth’s magnetic flips can last 70,000 years, new study finds

A numerical simulation of the earth’s magnetic field. Blue lines are moving into the core and yellow lines are moving out. | Photo Credit: NASA The earth’s magnetic field aids navigation but also protects the planet from high-energy radiation from the sun. For decades, geologists believed that when this field periodically flipped, swapping the north … Read more

Groups to prevent human-elephant conflict linked to more elephant deaths

A long-standing intervention by the Assam government to reduce crop depredation by elephants in its forest regions, piloted and designed by environmental non-government organisation World Wildlife Fund (WWF), is actually associated with more accidental elephant deaths, a study in Conservation Biology has reported. Launched in 2003 in Sonitpur district, the anti-depredation squads (ADS) of Assam … Read more

Tamil Nadu needs more basic science funding to create green technology

As Tamil Nadu approaches its Assembly elections, its ambition to become a $1-trillion economy and its position as one of India’s leading industrial and knowledge hubs means it’s worth examining how the State has invested in science and environmental issues in the last five years. First, the State’s strategy on environment and climate action has … Read more

A seismic decision: On revision to India’s earthquake zoning, rollback

The Centre’s rollback of the revision to India’s earthquake zoning by the Bureau of Indian Standards (BIS), follows a major challenge to the methodology used, which some engineers believe are out of sync with site-based evaluations. Yet, the reversal is driven largely by the massive cost and execution implications, as the decision impacts urban planning, … Read more

The Rearview Podcast | PC Mahalanobis: India’s First Data Cruncher

Prasanta Chandra Mahalanobis (1893–1972) was a Bengali statistician and institution-builder who became one of the most consequential figures in twentieth-century Indian science. Trained as a physicist in Calcutta and Cambridge, he discovered statistics almost by accident through an encounter with Biometrika, and went on to found the Indian Statistical Institute in 1931 out of a … Read more

What is cheaper to cook with, LPG or induction?

LPG cylinders being transported in a vehicle for distribution in Visakhapatnam on March 10, 2026, amid public concerns about supply and prices. | Photo Credit: V. RAJU/The Hindu As hotels, hostels, and community kitchens grapple with the unexpected shortage of LPG, those with electric cooking equipment feel they are in a safer position. Achal Sridharan, … Read more

More women deleted from rolls in most States after SIR 

The Election Commission of India’s (EC) Special Intensive Revision (SIR) of electoral rolls — a large-scale exercise aimed at updating voter lists — is being carried out across 12 States and Union Territories covering close to 51 crore voters. The enumeration phase of the exercise began in November 2025. Among these States and UTs, Tamil … Read more

Faunal survey in Kerala’s Vazhachal adds 26 species to checklist of wildlife division in Western Ghats

Great Indian Hornbill | Photo Credit: Special Arrangement An intensive faunal survey in the Vazhachal wildlife division in Thrissur, Kerala, has documented 26 species previously unrecorded from the area, highlighting the rich biodiversity of the key corridor in the Western Ghats. The survey was conducted by the Kerala Forest department in association with the Travancore … Read more

The quiet demographic revolution unfolding in India

For much of the late 20th century, discussions of India’s future were framed by a single anxiety: population growth. The assumption was that rapid fertility would outpace the economy’s ability to generate food, infrastructure, and public services. The infamous “Population Bomb” thesis of Paul and Anne Ehrlich was a key text that informed public policy … Read more

With lunar missions looming, scientists grow chickpeas in ‘moon dirt’

If the idea of lunar hummus seems far-fetched, think again. Scientists working to cultivate the field of extraterrestrial agriculture have grown chickpeas in dirt made mostly of simulated lunar soil, a step toward enabling astronauts on ‌long-term moon missions to produce their own food. Researchers said harvestable chickpeas were grown in soil mixtures composed primarily … Read more

Asteroid YR4 will miss the moon, too, NASA says

An artist’s impression of an asteroid that orbits closer to the sun than the earth’s orbit, showing its dark side. | Photo Credit: NOIRLab/J. da Silva NASA has officially ruled out the possibility of asteroid 2024 YR4 colliding with the moon in 2032. This update settles concerns that first surfaced after the asteroid’s discovery in … Read more

Four astronomy facilities announced in Union Budget to cost ₹3,500 crore, to be completed over a period of three to 13 years

A file photo of visitors at an exhibition at Indian Institute of Astrophysics (IIA) in Bengaluru. All these projects will be overseen by the Bengaluru-based IIA. | Photo Credit: File photo The construction and upgrade of the four major astronomical facilities, which was announced in the Union Budget, is expected to cost about ₹3,500 crore, … Read more

HALEU-Thorium fuel unsuitable for Indian nuclear reactors: study

An indigenous pressurised heavy water reactor under construction at Kakrapar, Gujarat, 2016. | Photo Credit: Reetesh Chaurasia (CC BY-SA) Bhabha Atomic Research Centre (BARC) researchers have reported that a new kind of nuclear fuel, touted for being able to allow India to take advantage of its vast thorium reserves, will not fit in the country’s … Read more