Former Bangladesh Prime Minister dies, train accident in Andhra Pradesh and more: The week in 5 charts

(1) U.S. attacks Venezuela and captures President The U.S. carried out strikes in Venezuela’s capital city Caracas and other places in the country on Saturday last week (January 3, 2026) in the latest escalation to simmering tensions between the two countries since September last year. Following the strikes, U.S. President Donald Trump posted on Truth … Read more

Scientists obtain first 3D images from inside Mexican volcano

In the predawn darkness, a team of scientists climbs the slope of Mexico’s Popocatépetl volcano, one of the world’s most active and whose eruption could affect millions of people. Its mission: figure out what is happening under the crater. For five years, the group from Mexico’s National Autonomous University has climbed the volcano with kilos … Read more

What is Siberian High? – The Hindu

The presence behind this name can hardly be missed. | Photo Credit: Wikimedia Commons SH. Siberian High. Siberian Anticyclone. The presence behind this name can hardly be missed. Winter will tell you why. Siberian High is a wind system; an intense, robust, massive system of biting cold, dry air that controls winter weather over Eurasia. … Read more

Unusual genetic code in Antarctic microbes yields rare amino acid

The dictionary of life has a new update. A DNA sequence that signals cells in almost all other organisms to stop synthesising proteins instead encodes a rare amino acid in some archaea, according to a study published in Science in November. Archaea are microbes that resemble bacteria in shape and size but are biologically distinct. … Read more

What is a wolf supermoon?

An image comparison the size of a supermoon (left) and the micromoon, which is the moon at its apogee micromoon (right), as seen from the earth. | Photo Credit: NASA A “wolf supermoon” is a nickname that combines two distinct ideas: a wolf moon and a supermoon. The January 2026 wolf supermoon occurred late last … Read more

Airy has an air about him

A significant telescope If we were to talk about the most popular telescopes of all time, it is unlikely that you will be mentioning the Airy Transit Circle (ATC). You’ll probably recall space observatories like the James Webb Space Telescope and Hubble, and you might even spare a thought to the early versions made and … Read more

Study suggests ancient Indian scholars knew mineral acids centuries before Europeans

GUWAHATI A study published in the Indian Journal of History of Science a few months ago has challenged long-held beliefs about the origins of mineral acids, suggesting that ancient Indian scholars may have understood and used them centuries before similar knowledge appeared in Europe or the Arab world. For decades, historians believed that Arab alchemists developed mineral … Read more

Green paradox: planting trees will cool a megacity unless it’s dry

Vegetation can cool a surface by evapotranspiration, i.e. water evaporating from soil and transpiring from leaves, carrying heat away. | Photo Credit: EqualStock/Unsplash Cities around the world are getting hotter for two reasons: the climate is warming and urban areas often trap heat more than the countryside. Planting more vegetation, especially trees, has become a … Read more

Why does India need climate-resilient agriculture? | Explained

The story so far: Climate change is real, and for India to continue meeting domestic food demands, agriculture needs to cope with the increasing unpredictability of the weather, declining soil health, and growing air pollution. What is climate-resilient agriculture? Climate-resilient agriculture uses a range of biotechnology and complementary technologies to guide farming practices and reduce … Read more

West Bengal SIR: Unusual patterns in deleted electors list

Nearly 4 lakh more women were deleted than men in West Bengal, analysis shows. | Photo Credit: Manvender Vashist Lav In West Bengal, like in Tamil Nadu and Bihar, more women than men were deleted during the Special Intensive Revision (SIR) of the electoral rolls, an analysis of polling station-level data shows. While 58 lakh … Read more

How does my smartphone know which way is up?

A digital accelerometer from a Motorola Xoom smartphone. | Photo Credit: Raimond Spekking (CC BY-SA) A: Your smartphone knows which way is up due to its accelerometer. It’s a chip whose parts shift slightly when the phone accelerates or when gravity acts along a particular direction. The phone’s software reads the accelerometer’s measurements along the … Read more

AI a ‘big opportunity’, essential to ensure its benefits reach all: President Murmu

President Droupadi Murmu pointed out that skills including data science, AI engineering and data analytics will play an influential role in developing the country’s AI talent pool. File | Photo Credit: ANI Describing Artificial Intelligence as a “big opportunity” for ushering in positive change, President Droupadi Murmu on Thursday (January 1, 2026) said it is … Read more

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 … Read more

Frailty, depression in older adults may together account for 17 % of dementia risk: Study

Frail participants were more likely to be female, have higher body weight, live with multiple long-term conditions, and lower educational attainment. They were also 2.5 times more likely to be diagnosed with dementia |Image used for representational purpose only | Photo Credit: THULASI KAKKAT Older adults who are frail and have depression could be at … Read more

What Delhi’s wilderness says about the city’s politics

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 … Read more

Why programming is losing its ‘gold standard’ status to GenAI

AI technology concept. 3D render | Photo Credit: BlackJack3D Generative AI is rewriting the tech career playbook. Programming, once the gold standard for high-paying jobs, is now viewed as a secondary skill that is ‘less essential’ to the future workforce. Because learning AI is more accessible to beginners, the disruption to traditional coding has multiplied. … Read more

A puzzling industrial credit-growth disconnect in FY17-FY19

A cloud of pollution released by an industry. | Photo Credit: rui_noronha The Indian banking sector plays a critical role in industrial growth. It channelises household savings to provide funds to firms at affordable rates. A review of the growth of credit to industries shows four facts and a puzzling observation. Fact 1: The share … Read more

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 … Read more

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 … Read more

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. 2 / 6 | X is … Read more

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 … Read more

What hinders Indian pharma companies from making drugs for rare diseases

Modern healthcare is fundamentally dependent on a constant supply of known and new drugs, making their discovery and manufacture a profitable business. The Indian pharmaceutical industry plays a key role in making drugs available globally at low prices, reflected in its projected revenue of about $130 billion by 2030. However, it largely manufactures generics that … Read more

A twist in the tale: are scientists wrong about dark energy?

All major discoveries in cosmology underline the maxim that the universe is not only stranger than we suppose but that it is stranger than we can suppose. The latest example of this is a study by researchers at the Yonsei University in South Korea that said the expansion of the universe is slowing down. The … Read more

DRDO successfully tests 120-km strike range Pinaka rockets

Image used for representation purpose only. | Photo Credit: ANI The Defence Research and Development Organisation (DRDO) successfully test-fired the Pinaka Long Range Guided Rocket (LRGR–120) from the Integrated Test Range (ITR) in Odisha’s Chandipur on Monday (December 29, 2025). Earlier in the day, the Defence Acquisition Council (DAC), chaired by Defence Minister Rajnath Singh, … Read more