Not long ago, most people thought of attention deficit hyperactivity disorder, or ADHD, as a childhood condition that would eventually be outgrown. Now it’s everywhere. TikTok videos describe “ADHD moments” that feel instantly familiar, clinics are booked out for months, and adults are finally getting diagnoses that explain years of chaos and exhaustion. Also Read:...
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November 24, 2025November 24, 2025Environment, Science & Tech
Where does road dust settle in India’s efforts to clean its air?
Road dust mainly comprises PM₁₀ and coarse particles and forms a large share of the air we breathe. With the National Clean Air Programme (NCAP) aiming for a 40% reduction in PM₁₀ by 2025-2026, reducing road dust is an urgent priority. This is reinforced by source apportionment studies across 17 non-attainment cities that have found...
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November 24, 2025November 24, 2025Children, Science & Tech
What are cookies (on the internet)?
When you visit a website, a small pop-up appears before you explore it fully, asking you to “Accept all” or “Deny.” These are internet cookies often explained in tiny bits of texts we don’t bother to read. In today’s digital world, where so much of our information exists online, it’s important to understand what happens...
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November 24, 2025November 24, 2025Science & Tech
13 new amphibians recorded from northeast
In a major taxonomic revision of bush frogs, the Dehradun-based Wildlife Institute of India (WII) has recorded 13 new-to-science species of amphibians from the northeastern part of the country. These new species have been described in a study published in the latest issue of Vertebrate Zoology, an international journal. The authors of the study are Bitupan...
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November 24, 2025November 24, 2025Science & Tech
The rational ape: study says chimpanzees reason through their beliefs
When, in 1960, the British primatologist Jane Goodall first observed chimpanzees at Gombe National Park in Tanzania using twigs to fish termites out of anthills, she was making scientific history. Researchers had until then believed only humans could use tools. Goodall’s discovery erased that line as well as raised important questions about what it means...
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November 23, 2025November 23, 2025Science & Tech
How gels and shampoos move: Raman Research Institute builds a device to see it in action
Researchers at the Raman Research Institute (RRI) have built a new device that reveals how thick everyday fluids like gels, shampoos, and industrial solutions behave deep inside, a breakthrough that can help improve extraction and production processes across industries. By showing how these fluids respond to even a single moving object, the method gives companies a...
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November 23, 2025November 23, 2025Science & Tech
What is a ‘random forest’?
A: A random forest is a machine-learning method that makes predictions by combining the decisions of many simpler models called decision trees. A decision tree works like a tree from bottom-up. At each node, it asks a question about the data, e.g. “is a person’s age greater than 30?”. Then, depending on the answer, it...
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November 22, 2025November 22, 2025Children, Science & Tech
Eka-aluminium is gallium
Before we begin This is a story about gallium’s discovery and how it played a part in the acceptance of the then newly invented periodic table. Gallium was discovered by French chemist Paul-Emile Lecoq de Boisbaudran and you probably associate the periodic table with Russian chemist Dmitri Mendeleev. Why then are you staring at the...
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November 22, 2025November 22, 2025Children, Science & Tech
How do airbags work?
Testing. Testing. The auto mechanics are hard at work making sure the air-filled balloon-looking pillow-like bags work and deploy properly in this sleek and brand new car. Look at the dashboard and see how firmly the system is incorporated. But wait a minute, how does it know when to pop out and how can we...
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November 22, 2025November 22, 2025Science & Tech
42 glacial lakes in Nepal at high risk of bursting: experts
Forty-two glacial lakes in Nepal have been identified as being at critical risk of bursting, according to experts. A potential glacial lake outburst flood could result in massive loss of life and severe damage to infrastructure, International Centre for Integrated Mountain Development (ICIMOD) expert Sharad Prasad Joshi warned on Friday (November 21, 2025) during a...
