Deep-sea mining threatens sea life by dumping debris in midwater zone

  Picture an ocean world so deep and dark it feels like another planet – where creatures glow and life survives under crushing pressure. This is the midwater zone, a hidden ecosystem that begins 650 feet (200 meters) below the ocean surface and sustains life across our planet. It includes the twilight zone and the midnight … Read more

Delimitation could reinforce BJP’s hegemony

An inter-State delimitation of Lok Sabha constituencies can potentially also result in a shift of power from non-BJP parties to the BJP. The anxiety about delimitation is not only about the potential reduction of political power for peninsular States to the benefit of heartland ones. An inter-State delimitation of Lok Sabha constituencies can potentially also … Read more

ICMR successfully tests drone-based cornea transport to aid eye care

Representative image | Photo Credit: Getty Images The Indian Council of Medical Research (ICMR), in collaboration with the All India Institute of Medical Sciences (AIIMS) Delhi and Dr. Shroff’s Charity Eye Hospital, in an initiative supported by the Union Ministry of Civil Aviation has successfully conducted a feasibility study to assess the potential of using … Read more

Does walking in space lead to weight loss?

Astronaut Sunita Williams uses the treadmill onboard the ISS in 2012. The harness is visible reaching from the treadmill’s base to a ring on her hip. | Photo Credit: NASA Are you trying to lose weight? Because in space you are already weightless. However, it is interesting to think about how astronauts can exercise in … Read more

Eat grass-fed beef, help the planet? Research says not so simple

A cow remains in a corral before being exported to the U.S. through the Jeronimo-Santa Teresa border crossing, as the U.S. allowed Mexican cattle imports to resume after lifting a temporary suspension due to the detection of the New World screwworm, at the Chihuahua Regional Livestock Union facility, outside Ciudad Juarez, Mexico, February 10, 2025. … Read more

Scientific misconduct is on the rise. But what exactly is it?

German anaesthesiologist Joachim Boldt has an unfortunate claim to fame. According to Retraction Watch, a public database of research retractions, he is the most retracted scientist of all time. To date, 220 of his roughly 400 published research papers have been retracted by academic journals. Boldt may be a world leader, but he has plenty of … Read more

AI-powered test can detect silicosis, scourge of mine workers, in minutes

Silicosis is an incurable but entirely preventable lung disease. It has only one cause: breathing in too much silica dust. This is a risk in several industries, including tunnelling, stone masonry and construction. Just last week, ABC reported that 13 workers from tunnelling projects in Sydney have been diagnosed with silicosis. It’s yet another reminder that current … Read more

Why woolly mice won’t bring back mammoths or save endangered species

US company Colossal Biosciences has announced the creation of a “woolly mouse” — a laboratory mouse with a series of genetic modifications that lead to a woolly coat. | Photo Credit: Colossal Biosciences/The Conversation US company Colossal Biosciences has announced the creation of a “woolly mouse” — a laboratory mouse with a series of genetic modifications that lead to … Read more

Scientists have have discovered the oldest meteorite impact crater on Earth, in the very heart of the Pilbara region of Western Australia.

We have discovered the oldest meteorite impact crater on Earth, in the very heart of the Pilbara region of Western Australia. The crater formed more than 3.5 billion years ago, making it the oldest known by more than a billion years. Our discovery is published today in Nature Communications. Curiously enough, the crater was exactly where we … Read more

Ocean sediments from Bay of Bengal reveal insights into Indian Monsoon patterns, climate change

The researchers said an important aspect of the study was that it identified significant monsoon cycles linked to solar activity. Representational file image. | Photo Credit: V RAJU A recent study conducted by the Central University of Kerala has provided crucial insights into the historical behaviour of the Indian Summer Monsoon over the past 15,000 … Read more

Why is the Parker Solar Probe trying to ‘touch’ the sun?

A 2018 artist’s concept shows the Parker Solar Probe flying into the sun’s outer atmosphere, called the corona, on a mission to help scientists learn more about the star. | Photo Credit: NASA Among the various places humans have aspired to visit in the solar system, the sun remains the most foreboding. On December 24, … Read more

What are DNA polymorphisms and how do they differentiate between people?

Just like the government uses an Aadhaar number to uniquely identify an individual for social security purposes, a person’s DNA fingerprint can be used for biological purposes. This is why DNA analysis is such a big deal. Today, it is most often (but not exclusively) used together with technologies like PCR, capillary electrophoresis, and fingerprinting. … Read more

As ice frozen for millennia thaws, Kashmir wakes up to new risks

Permafrost melting is emerging as a unique environmental threat in the Kashmir Himalaya. A new study has found that thawing permafrost could affect 193 km of roads, 2,415 households, 903 alpine lakes, and eight hydropower projects in the mountainous region.  Permafrost is any type of ground — soil, sediment, rock, etc. — that has been … Read more

Glaciers lost 9 trillion tonnes of ice since 1975: UN

Ice is seen on the Pastoruri glacier in the Peruvian Andes, Peru, May 7, 2024. | Photo Credit: Reuters Glaciers around the globe are disappearing faster than ever, with the last three-year period seeing the largest glacial mass loss on record, according to a UNESCO report released on March 21. The 9,000 gigatonnes of ice … Read more

DBT completes sequencing of 10,000 TB genome samples, aims to reach target of 32,500 samples by November 2025

Representative image | Photo Credit: Getty Images The Department of Biotechnology (DBT) has completed the genomic sequencing of a third, or 10,000 samples, of the target of 32,500 samples of mycobacterium tuberculosis — the bacteria behind tuberculosis (TB)— in a bid to improve the understanding of drug-resistant TB and capture unique genomic features of the … Read more

A regional divide in blue-collar worker migration from India: Data

The contributions from advanced economies towards India’s inward remittances have increased | Photo Credit: PTI The latest data indicate a decline in the Gulf countries’ share of India’s inward remittances, while contributions from advanced economies have increased. The data also reveal that States with a declining share of migrants to the Gulf countries are seeing … Read more

Why do people get tattoos? Twin study says it’s nurture, not nature

Why do some individuals get tattooed while others don’t? Is it because of differences in their genes? Researchers from the University of Southern Denmark in Odense recently addressed these questions. Their findings, reported in February in the journal Behavior Genetics, showed that differences in an individual’s propensity to get tattooed were not due to nature … Read more

Lapis lazuli: earth’s best blues

A section of lapis lazuli rock with pyrite mined in Afghanistan in January 2008. | Photo Credit: Hannes Grobe (CC BY-SA 2.5) Lapis lazuli is a vividly blue rock, sometimes with streaks of gold, that has been known for millennia for its eye-popping colour and use as a semi-precious gemstone. It gets its colour from … Read more

How do astronauts recoup after space stay?

Boeing Crew Flight Test astronauts Butch Wilmore (L) and Suni Williams pose for a portrait inside the vestibule between the forward port on the International Space Station’s Harmony module and Boeing’s Starliner spacecraft in June 2024. | Photo Credit: NASA via AP The story so far: Early on March 19 (IST), a SpaceX capsule bearing … Read more

Study provides clues to why we fail to remember being a baby

Challenging assumptions about infant memory, a novel functional magnetic resonance imaging (fMRI) study shows that babies as young as 12 months old can encode memories, researchers report in a study published in Science. The findings suggest that infantile amnesia — the inability to remember our first few years of life — is more likely caused by memory retrieval failures rather … Read more

Do birds get affected by noise pollution?

A study of Galápagos yellow warblers, a songbird widespread in the Galápagos Islands, are changing their behaviour due to traffic noise, with those frequently exposed to vehicles showing heightened levels of aggression. Researchers played bird songs from a speaker, simulating an intruder, accompanied by recorded traffic noise at 38 locations populated by Galápagos yellow warblers on … Read more

Health benefits of jackfruit – The Hindu

Unripe jackfruit has many culinary uses If the mango is described as the king of fruits, then the jackfruit will be the doctor of all fruits. Jackfruit (Artocarpus heterophyllus) is a plant known in India and the Middle East for a long time and has been used in Ayurveda and Unani systems of medicine as … Read more