Category: Science & Tech

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Mosquitoes began biting hominins 1.8 million years ago, study says

Between 1992 and 2020, a group of intrepid scientists walked deep into the forests of Sundaland, across the Malay Peninsula, Sumatra, Java, and Borneo, to collect mosquito larvae of 11 species to understand the evolutionary origins of anthropophily, or the affinity for humans. This effort, the researchers have written in a new paper in Scientific...

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National Science Day| An astrophysicist’s journey from starlight to solving the solar neutrino puzzle

From childhood inspiration to working at the Institute for Advanced Study — once home to Albert Einstein — she reflects on curiosity, challenges, and uncovering the Sun’s deepest secrets. The Sun is right under our noses, so to speak, and when one thinks of astrophysics, one thinks of more distant celestial objects. What made you curious...

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National Science Day | What do scientists do?

Everyone knows scientists are in the business of “discovering” things. But what exactly do they do? When I was growing up in a small village in Kerala, there were no scientists around to ask this question. Even now, my friends ask me this question, half joking, half curious. I often laugh it off and change...

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National Science Day | The A to Z Science Quiz!

*Note: The answers are from A to Z (that is, the first question’s answer would start with A, the second one’s with B, so on and so forth. Please note that in case the answer is a person’s name, it would be the last name that would start with the designated letter. Reference image for...

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Helping children aim for the stars | National Science Day

More often than not, in the larger Indian context, students learning science at school follow a formulaic manner of engaging with the subject. There is a strict syllabus, way of learning, way of grading that learning, and even an inquisition that’s tied to viewing science as merely an academic subject. Those of you sitting in...

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Can white matter changes in the brain determine our ageing trajectory?

Ageing is a major risk factor for most neurological and psychiatric disorders. As populations worldwide continue to grow older, the burden of brain- and cognition-related disorders is expected to rise substantially. There is, therefore, an urgent need to understand the normal trajectory of brain ageing and to develop scientific methods that can determine and predict...

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​A brittle shell: On ISRO and transparency

A venerable institution, facing accusations of opacity, decided to stun its detractors with some transparency. The Indian Space Research Organisation (ISRO) made public the report of a technical committee, constituted to analyse why the NVS-02 satellite, which was launched aboard a GSLV rocket on January 29, 2025, could not be placed in its intended orbit....

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Decolonising and de-Nobelising science

Every February 28, India celebrates National Science Day to commemorate C.V. Raman’s announcement of the Raman effect in 1928, a discovery that won him the Nobel Prize in Physics in 1930. Such national rituals are said to be just acts of remembrance, but they are not; they also legitimise what the state says counts as...

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‘Loose connection’ prevented NVS-02 satellite from landing in intended orbit, says panel

After nearly a year’s delay, the Indian Space Research Organisation (ISRO) made public the report of a committee constituted to analyse why the NVS-02 satellite, which was launched aboard a GSLV rocket on January 29 last year, couldn’t be placed in its intended orbit. The apex committee, as it is called, concluded that the main reason...

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What are carbon capture and utilisation technologies? | Explained

The story so far: Carbon Capture and Utilisation (CCU) refers to a set of technologies that capture carbon dioxide emissions from industrial sources or directly from the air and convert them into useful products. This process removes carbon from the atmosphere and puts it into the economy as inputs for fuels, chemicals, building materials, or...

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