Scientists turn E. coli bacteria into a mercury sensor

A scanning electron micrograph of Escherichia coli bacteria. | Photo Credit: US CDC In a step towards building cheap and programmable bioelectronic devices, Imperial College London and Zhejiang University researchers have shown in a new study that genetically engineered bacteria can be turned into self-powered chemical sensors that interface directly with electronics. According to the … Read more

Connexin proteins rally arteries to nourish brain on demand

The anterior, middle, and posterior cerebral arteries respectively supply the yellow, red, and blue parts of the brain. | Photo Credit: Frank Gaillard, Patrick J. Lynch The brain is a guzzler, burning through about a fifth of our resting energy and keeping almost nothing in reserve. When a few thousand neurons suddenly burst into activity … Read more

Revisiting Katou-Indel in 17th-century botanical treatise Hortus Malabaricus yields new finds for researchers

The new palm species Phoenix roxburghii | Photo Credit: Special arrangement A palm originally described in the monumental 17th-century botanical treatise Hortus Malabaricus continues to fascinate botanists more than three centuries later, leading to the discovery of a new species and the reclassification of existing ones. Recent studies on the palm, named Katou-Indel in the … Read more

Nine solitary bee species discovered in Kerala for the first time

representational image only | Photo Credit: AP In a remarkable addition to Kerala’s biodiversity records, researchers from the Shadpada Entomology Research Lab at Christ College (Autonomous), Irinjalakuda, Thrissur, have identified nine species of solitary bees from the subfamily Nomiinae (Hymenoptera: Halictidae) – all documented for the first time in Kerala. Unlike the social honeybees that … Read more

184 Palestinian journalists killed since October 7, 2023

Palestinians pray over the bodies of journalists, including Al Jazeera correspondents Anas al-Sharif and Mohamed Qreiqeh, who were killed in an Israeli airstrike, during their funeral outside Gaza City’s Shifa hospital complex, Monday, Aug. 11, 2025. | Photo Credit: Jehad Alshrafi/AP An Israeli strike on Al Jazeera staff in a tent near Al-Shifa Hospital in … Read more

Only united action can stop the hyacinth’s invasion

Every monsoon, a quiet menace surges across India’s waterways, turning glistening rivers, backwaters and lakes into green deserts. This threat is the water hyacinth (Eichhornia crassipes), an innocuous-looking aquatic plant which has delicate lilac flowers that belies its destructive power. Nowhere is its impact more pervasive than in Kerala — a State renowned for its … Read more

PM Modi I-Day speech: First made-in-India semiconductor chip to come in market by this year end, says Modi

Image used for representation purpose only. | Photo Credit: The Hindu First made-in-India semiconductor chip will be launched in the market by the end of this year, Prime Minister Narendra Modi said on Friday (August 15, 2025). Independence Day LIVE Addressing the nation on the 79th Independence Day, Mr. Modi said that six semiconductor units … Read more

Record violence marks Israel’s push towards West Bank annexation

A day after Prime Minister Benjamin Netanyahu said that Israel intends to take full control of the Gaza Strip, the country’s security cabinet, on August 8, approved a plan to seize control of Gaza City. Israel then stepped up its bombardment. While Israel continues to pound one of Palestine’s non-contiguous regions — Gaza — and … Read more

Science and nation-building – The Hindu

Since Independence, India has drawn on science and technology as key pillars of the nation-building process. The vision of its first leaders, but especially Jawaharlal Nehru, was to foster a rational temper among the populace, empowering citizens not only to adopt technological advancements but also to imbue everyday life and national development with evidence-based reasoning … Read more

Science and nation-building – The Hindu

Since Independence, India has drawn on science and technology as key pillars of the nation-building process. The vision of its first leaders, but especially Jawaharlal Nehru, was to foster a rational temper among the populace, empowering citizens not only to adopt technological advancements but also to imbue everyday life and national development with evidence-based reasoning … Read more

All bark, no byte: when bad data itself becomes the data story

This article forms a part of the Data Point newsletter curated by The Hindu’s Data team. To get the newsletter in your inbox, subscribe here Welcome back, data enthusiasts! On August 11, the Supreme Court issued a directive asking for all stray dogs in Delhi to immediately be captured and put into shelters. The SC on … Read more

75 years since Assam quake, Himalayas prep for large hydro projects

On August 15, 1950, India was celebrating its Independence Day. The mood was upbeat throughout the country. Just as celebrations were winding down for the day, a great disaster struck. At around 7:30 pm, an earthquake of magnitude 8.6 — the strongest ever recorded on land — jolted the country’s Northeast and some neighbouring areas … Read more

Kenyan farmers use bees, sesame to keep marauding elephants away

Elephants roam in Tsavo West National Park near Voi town in Taita-Taveta County, Kenya, August 7, 2025. | Photo Credit: AP For farmers in the Taita hills in southern Kenya, elephants are a menace: they raid crops and will occasionally injure or even kill people. Farmer Richard Shika, 68, has had some close encounters. “One … Read more

SIR of Bihar’s electoral rolls and its political ripple effects

Migrant workers arrive at Bengaluru city railway station from Eastern states. The Special Intensive Revision (SIR) of the electoral rolls in Bihar has raised concerns about possible disenfranchisement of migrant voters. Bihar, along with Uttar Pradesh, is a key source of outmigrants, and people from these two States are relocating in large numbers. This mobility … Read more

Why does bread become stale even if it doesn’t go mouldy?

Bread stored in the refrigerator often goes stale faster. | Photo Credit: Charles Chen/Unsplash When bread becomes stale, it loses its soft, fresh texture and becomes dry and hard. As it happens, this isn’t just because it dries out. Staling is mainly caused by a process called starch retrogradation. When bread is baked, the heat … Read more

Science Quiz: Overturned ideas in the history of science

Science Quiz: Overturned ideas in the history of science Visual: In the mediaeval era, astronomers defended the geocentric model of the universe using the idea of epicycles and Z, shown here as the smaller and larger dashed circles, respectively. Name Z. START THE QUIZ 1 / 6 | In the mediaeval era, astronomers defended the … Read more

PixxelSpace India-led consortium to establish India’s first commercial earth observation satellite constellation

The Indian National Space Promotion and Authorisation Centre (IN-SPACe) on Tuesday announced the selection of the PixxelSpace India-led consortium to design, build, and operate India’s first fully indigenous commercial earth observation (EO) satellite constellation under the public-private partnership (PPP) model. The Bengaluru-based PixxelSpace India consortium comprises Piersight Space, Satsure Analytics India, and Dhruva Space. IN-SPACe … Read more

Union Cabinet approves four new semiconductor projects worth ₹4,594 crore

File photo of Union Minister Ashwini Vaishnaw. | Photo Credit: PTI The Union Cabinet has approved four new semiconductor projects worth ₹4,594 crore, Union Minister Ashwini Vaishnaw said at a press conference in New Delhi on Tuesday (August 12, 2025). Mr. Vaishnaw said “Semiconductors are a foundational, strategic industry without which no country can count … Read more

Landmark study offers new insights into what protects against dengue

The specific components of the immune response in a human body that protect against a dengue virus (DENV) infection and the subsequent illness remain unclear. Scientists are still trying to understand how natural infection and vaccination protect people so that they can develop better vaccines. Now, a novel study has revealed important insights into developing … Read more

In boost to quantum computing, AI makes atoms dance with lasers

Clockwise from top-left: nearly defect-free 2D square array with 2,024 atoms; 2D pattern of the letters ‘USTC’ with 723 atoms; trilayer cuboid array with 1,077 atoms; trilayer twisted graphene structure with 752 atoms. | Photo Credit: arxiv:2412.14647 Quantum computing holds the promise to revolutionise science and technology by solving problems currently beyond the limits of … Read more

After a brief pause, physical bank branches are back

Over the last two years, India’s private sector banks have been expanding their physical presence. The two biggest lenders — HDFC Bank and ICICI Bank — opened 3,284 and 1,341 branches, respectively, between 2022 and 2024. Both lenders also increased their workforce, adding 40,305 and 9,204 employees in FY 2024, respectively. In FY25, however, HDFC … Read more