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If the battery gets too hot due to fast charging, gaming, the phone may stop the process as a safety measure | Photo Credit: Lasse Jensen/Unsplash You might think so — but the answer is not always. Smartphones use lithium-ion batteries. This battery works by moving lithium ions back and forth between two electrodes through…
Read More “Do phone batteries last longer when it’s cooler outside?” »
Have you ever encountered clones? In case you wish to jump the gun and answer in the negative, it might be prudent to think a wee bit longer. This is because the concept of cloning is intertwined with something that occurs naturally. With that clue, you might have deduced that the closest we have to…
Read More “Dolly, the sheep that stands as an icon for cloning” »
This interferometer was used in which landmark 1887 experiment whose null result challenged the existence of the luminiferous ether and paved the way for Einstein’s Special Theory of Relativity?. Photo: Case Western Reserve Archives Published – June 30, 2026 05:10 pm IST Source link
The story so far: A Pune court has extended the custody of Siya Goyal and Chetan Chaudhary, the two accused in the Ketan Agarwal murder case, until July 3, 2026. The court acquiesced to the investigators, who said several aspects of the probe are ongoing, including a forensic study of Mr. Chaudhary’s gait. According to…
Read More “Ketan Agarwal death case: What is gait analysis? | Explained” »
The Stockholm International Peace Research Institute (SIPRI) released its annual yearbook in June. For the first time, it classified 12 of India’s estimated stockpile of 190 nuclear warheads to be operationally deployed, i.e., positioned with active military forces mated with delivery systems and ready for use. This sounds alarming — but the alarm itself may…
Read More “What India’s 12 ‘operationally deployed’ nuclear warheads really mean” »
Representational pic | Photo Credit: – While drones have emerged as an effective tool for wildlife monitoring and mitigating human-wildlife conflicts, experts caution that their growing use could inadvertently stress wildlife and infringe on people’s privacy. Although unmanned aerial vehicles, or drones, in some cases fitted with payloads such as loudspeakers, are used in several…
The origin of human help-seeking behaviour predates language, religion, and civilisation itself. It arises from suffering and pain, one of the primitive impulses shared across the human species. Pain is a deeply subjective experience, and two individuals with identical injuries may describe very different levels of suffering. This variability reflects the complex interplay between biological, psychological, and…
Read More “How our understanding of pain has evolved over centuries” »
One day in 2025, Jane perched facing a computer screen. The screen’s top half displayed a black circle on a magenta background. The bottom half had a black arrow on white. After what appeared to be a moment of deliberation, Jane extended her neck and touched the circle. Small pellets of food appeared in the…
Read More “Do animals understand death? Scientists are asking cockatoos for answers” »
Ignore a mosquito bite and the itch is ‘gone in five or 10 minutes for most people’. ‘But if you start scratching it, it’s your friend for a week.’ | Photo Credit: NIAID/Unsplash A lot of things can cause itchiness, sometimes serious diseases. Whatever the cause, doctors have long warned that scratching too much can…
Read More “It’s a bad idea to scratch bug bites, research says” »
Mycobacterium tuberculosis (TB) bacteria in a high magnification scanning electron micrograph image. The bacteria grow slowly, making drug susceptibility testing arduous. | Photo Credit: AP Technique tests TB drugs’ effectiveness in just 50 hours Scientists have developed a faster way to test for drug resistance in the bacteria that cause tuberculosis. Traditional phenotypic tests have…