ISRO to launch earth imaging satellite from Sriharikota on May 18, MPs to witness the event

An Earth Observation Satellite (EOS) lifts off from the Satish Dhawan Space Centre in Sriharikota, Andra Pradesh. File | Photo Credit: PTI India will launch an earth observation satellite on Sunday (May 18, 2025) from the spaceport at Sriharikota, boosting its surveillance capabilities from space in all weather conditions. A delegation of lawmakers, who are … Read more

The curious case of the yeast modified to develop brain defects

Yeast colonies being grown on an agar plate. | Photo Credit: Rainis Venta (CC BY-SA) Researchers at Emory University and the University of Texas Health Science Centre, both in the US, have found that a class of mutations that leads to serious developmental disabilities in human babies has similar effects in budding yeast, a simpler … Read more

How did human music originate?

The origins of human music are obscure because of the many contexts in which it could have arisen and for a variety of purposes. Archaeologists have found musical instruments among the remains of Egyptian and Indus civilisation sites as well as in similar settlements around the world since the dawn of prehistory. Some theories also … Read more

Three men in a lab (to say nothing of an element)

Bunsen, the burner German chemist Robert Bunsen was born on March 30, 1811 in Gottingen. His father taught modern languages at the University of Gottingen and Bunsen too went on to earn his doctorate there. Before he returned to this place as a lecturer, he travelled across Europe for three years. He also taught at … Read more

Scientists create first ‘pangenome’ of Asian rice

Asian cultivated rice (Oryza sativa L.) is one of the most important food crops in the world. Representative image. | Photo Credit: Sandy Ravaloniaina/Unsplash Scientists have assembled a first of its kind ‘pangenome’, a kind of reference genome, by stitching together key parts of genomes from 144 varieties of wild and cultivated varieties of rice … Read more

Climate change is disrupting the human gut in a new path to illness

Climate-driven food shortage and undernourishment could affect the composition of the human gut microbiota, exacerbating the effects of climate change on human health, according to a new review article published in The Lancet Planetary Health. The article comes on the heels of a growing number of studies that highlight the key role food and nutrition … Read more

Indians earn the most among Asian Americans: Data

Indian-headed households had the highest median annual income among all Asian groups | Photo Credit: Reuters With a median annual household income exceeding $150,000, Indian Americans top the earnings chart among all Asian groups in the U.S.— about 40% higher than both Chinese and Japanese households. As of 2023, nearly 25 million Asians lived in … Read more

Successful urban birds sport different colours from unsuccessful ones

In 2016, when Juan Diego Ibáñez-Álamo at the University of Granada in Spain met Kaspar Delhey, an expert in bird coloration at the Max Planck Institute for Biological Intelligence, a new collaboration was born. “He suggested we study whether urbanisation is associated with differences in bird coloration,” Delhey said. Many studies have investigated how urban … Read more

Why does our temperature go up when we are ill?

A: The increase in core temperature observed during illness is commonly called fever and occurs in response to infection by a pathogen or certain types of physical injury. When a person becomes infected with bacteria, the white blood cells of the immune system recognise the incoming pathogen as foreign and initiate the first stages of … Read more

Parachutes for uncrewed spaceflight of Gaganyaan mission flagged off

Representative purposes. | Photo Credit: DRDO A set of parachutes developed for the first uncrewed mission of India’s Gaganyaan human spaceflight programme was shipped from Agra on Monday (May 5, 2025). The parachutes were developed by the Aerial Delivery Research and Development Establishment (ADRDE), an Agra-based laboratory under the Defence Research and Development Organisation (DRDO). … Read more

AI: is India falling behind?

The Government of India and a clutch of startups have set their sights on creating an indigenous foundational Artificial Intelligence large language model (LLM), along the lines of OpenAI’s ChatGPT, Google’s Gemini, and Meta’s Llama. Foundational AI, or LLMs, are manually trained systems that can churn out responses to queries. Training them requires large amounts … Read more

AI: is India falling behind?

The Government of India and a clutch of startups have set their sights on creating an indigenous foundational Artificial Intelligence large language model (LLM), along the lines of OpenAI’s ChatGPT, Google’s Gemini, and Meta’s Llama. Foundational AI, or LLMs, are manually trained systems that can churn out responses to queries. Training them requires large amounts … Read more

Daily Quiz | On Space Firsts

Daily Quiz | On Space Firsts 1 / 7 | Who was the first woman in space in 1963? 2 / 7 | What first was achieved on November 3, 1957? Answer : The dog Laika, the first living creature, was launched into space by USSR DID YOU KNOW THE ANSWER? YES NO SHOW ANSWER … Read more

Spain’s blackout highlights renewables’ grid challenge

The cause of last week’s massive power outage in Spain and Portugal remains unclear but it has shone a spotlight on solar and wind energy, which critics accuse of straining electricity grids. The rise of renewables presents a challenge for power grids, which must evolve to adapt as countries move away from fossil fuels. Maintaining … Read more

Trump celebrates 100 days in office, Canadian Federal Elections, World Press Freedom, and more: The week in 5 charts

(1) Donald Trump celebrates 100 days in office U.S. President Donald Trump spent his first 100 days issuing a blitz of executive orders to deliver rapidly on campaign pledges, drastically downsize the government and reshape America’s role on the global stage. Donald Trump promised on Tuesday (April 29, 2025) that he is just getting started … Read more

Hubble’s 35-year journey is a blueprint to understand the cosmos

From breathtaking snapshots of distant galaxies to game-changing discoveries about the universe’s expansion, the Hubble Space Telescope (HST) has dazzled humankind for 35 years. After launching on April 24, 1990, Hubble overcame early flaws to become one of NASA’s greatest triumphs. Its vivid images and countless scientific breakthroughs have reshaped our understanding of the cosmos, … Read more

Do public-funded R&D units innovate enough? | Explained

Image used for representational purpose. | Photo Credit: S.R. Raghunathan The story so far: The office of the Principal Scientific Adviser to the Government of India, Confederation of Indian Industry (CII) and the Centre for Technology, Innovation, and Economic Research have released a detailed assessment of public-funded research and development in India. In all, 244 … Read more

The mechanics of crowd control: anticipation, preparation, prevention

In his 1997 book ‘Dominance Without Hegemony’, historian Ranajit Guha recounted how Mahatma Gandhi, “perhaps India’s foremost ideologue of self-discipline”, created an “elaborate” set of rules about how people should behave around him as they travelled the country. To Gandhi, Guha wrote, a haphazard crowd was “unmanageable”, “uncontrollable”, “undisciplined”, and ultimately entailed a “mobocracy”. Gandhi … Read more

Microgravity increases core body temperature: IIST model

The Voyager 1 spacecraft was 25 billion km away in February, somewhere in the outer edge of the solar system. It’s the farthest a human-made spacecraft has gone from the earth. The hope is that in the distant future, a human astronaut will be able to go where Voyager 1 has been — a journey … Read more

‘Development’ at the cost of Nicobar Islands

The Central government’s plans in the Nicobar Islands, especially land taken over for deforestation, will affect the native Shompen tribe, which needs forests for its livelihood. | Photo Credit: Public domain The famous tree crusader and tree lover Shri ‘Vanajeevi’ Ramaiah who passed away last month was a firm believer that trees are vital for … Read more

What is the total allowable catch?

Fishers venture out to fish in mechanised boats in Mandapam North Sea, June 16, 2023, after the end of the 61-day fishing ban. | Photo Credit: Balachandar L./The Hindu The total allowable catch (TAC) is a limit on the total quantity of fish that fishers can catch in a particular area. It’s usual for agencies … Read more

Blood of man bitten by hundreds of snakes leads to strong anti-venom

Representative image. An American man named Timothy Friede has subjected himself to more than 200 snakebites and 700 injections of venom over 18 years. | Photo Credit: Getty Images/iStockphoto For millennia, there have been stories of people who tried to make themselves immune to poison by regularly ingesting small, non-lethal doses of it. The practice … Read more