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Daily Quiz: On Lunokhod 1 1971 Soviet postage stamp commemorates the spacecraft that delivered the world’s first successful planetary rover to the Moon START THE QUIZ 1 / 6 | On which lunar ‘sea’ did Lunokhod 1 land? Answer : Mare Imbrium or Sea of Rains DID YOU KNOW THE ANSWER? YES NO SHOW ANSWER 2…
At first glance, the photograph looks like a scene from a science-fiction film or one of those viral, digitally altered images. A woman lies calm on an operating table under bright white lights, a headset snug over her ears. But it’s real and was taken inside a hospital in New Delhi more than a year…
Read More “In Delhi study, ragas in the operation theatre cut anaesthesia use” »
Parrots in small cages sometimes pluck out their feathers, an action linked to long-term stress. Representative image. | Photo Credit: Ojaswi Pratap Singh/Unsplash Many scientists believe at least some animals can have problems that are similar to human mental health disorders. We can’t ask them how they feel, so we look for changes in behaviour,…
A woman buys winter wear from a shop in Sangareddy. | Photo Credit: MOHD ARIF/The Hindu On November 17, the India Meteorological Department (IMD) warned of a cold wave in parts of Telangana. The nighttime temperatures have fallen into single digits in many locations. Kohir and Yalal districts recorded around 8.1º C while Adilabad, Medak,…
Read More “Why is there a cold wave over parts of Telangana? | Explained” »
Katherine at the Katherine G. Johnson Computational Research Facility. | Photo Credit: David C. Bowman, NASA At the age of 10, a young African American girl in Virginia, U.S.A., started high school and then went on to graduate from West Virginia State College at 18, earning degrees in mathematics and French. From a small town…
Read More “Katherine Johnson: NASA’s forgotten human computer” »
Union Environment Minister Bhupender Yadav speaks during a plenary session at the COP30 U.N. Climate Summit, on November 17, 2025, in Belem, Brazil. | Photo Credit: AP India will declare its updated Nationally Determined Contribution (NDC) as well as issue its Biennial Transparency Report (BTR) by December end, Environment Minister, Bhupender Yadav said in Belem,…
Read More “India to submit updated climate targets to U.N. by December end: Bhupender Yadav” »
An image of Caenorhabditis elegans worms. | Photo Credit: Megha Rai/Special arrangement Animals often meet the same threats across generations. A central question in biology is whether experience with a threat can be passed from parents to offspring in a way that changes the latter’s behaviour. In the roundworm Caenorhabditis elegans, one such experience is…
Read More “Roundworms do inherit info on threats to avoid, but with a catch” »
Several medical treatments, particularly for genetic ailments, rely on symptomatic management instead of correcting the causative issue. Precision biotherapeutics bring together genetic science, molecular biology, and data analytics to design therapies that identify and rectify the cause of illness. What are precision biotherapeutics? Precision biotherapeutics refers to medical interventions—drugs, therapies, or biological products—that are designed…
Read More “Precision biotherapeutics | Explained – The Hindu” »
Time for us is a constant, relentlessly moving forward. The ticking of a clock on the wall, the steady march of seconds on a digital display — they’re such familiar concepts that we rarely stop to consider the physical processes that underpin them. At its heart, any clock is a physical system that evolves in…
Read More “Surprise: reading a quantum clock can cost more than keeping it ticking” »
Drilling microscopic holes in brittle materials like glass and ceramics, essential for smartphones, medical devices, and microfluidic chips, has long posed a challenge for manufacturers. Conventional methods often crack the material or fail when debris clogs narrow, deep holes. Researchers at the Indian Institute of Technology (IIT) Bombay have demonstrated how ultrasonic-assisted electrochemical discharge machining (UA-ECDM)…