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The Centre for DNA Fingerprinting and Diagnostics (CDFD) is a government laboratory in Hyderabad. It provides DNA-based investigative services to the police, the judiciary, and to hospitals that offer organ transplant procedures. Recently, the CDFD handled the case of a family in which the father offered to donate an organ to his ailing son. CDFD…
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Daily quiz: in honour of the world’s first artificial nuclear reactor, on its birth anniversary 1 / 5 | Though X described the world’s first artificial nuclear reactor as a “crude pile of black bricks and wooden timbers”, Chicago Pile-1 was actually quite safe — a reputation it had acquired from X himself, a uniquely…
A photo taken on July 5, 2024, by the New Zealand Department of Conservation shows rangers walking beside what appears to be the carcass of a rare spade-toothed whale after it was discovered washed ashore on a beach near Taieri Mouth, New Zealand. | Photo Credit: AFP It is the world’s rarest whale, with only…
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A man with gears inside head illustration From cherished family moments to critical academic concepts, memory shapes who we are and what we can become. At its core, memory is what enables us to truly live. As we grow, we’re like blank canvases, absorbing knowledge that shapes our future. Learning is a lifelong journey, but…
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The rapid increase in satellites and space junk will make low earth orbit unusable unless companies and countries cooperate and share the data needed to manage that most accessible region of space, experts and industry insiders said. A United Nations panel on space traffic coordination in late October determined that urgent action was necessary and…
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An SR-71 Blackbird takes off from the Dryden Flight Research Centre, California, on March 9, 1993. Shock diamonds are visible in its exhaust. | Photo Credit: NASA Sometimes when a rocket or a jet takes off, its exhaust has an alternating pattern of light and dark patches (see image). The bright patches in this formation…
Sci-Five | The Hindu Science Quiz: On Paradoxes An aurora borealis, also known as the northern lights, is seen in the night sky on Thursday, Oct. 10, 2024, in Moscow, Idaho. START THE QUIZ 1 / 5 | What is Olbers’ paradox? It’s about the sky It’s about solar eclipses It’s about lunar eclipses It’s…
Fossil records show that dinosaurs evolved during the middle part of the Triassic period. | Photo Credit: File photo An international collaboration has been able to identify undigested food remains, plants and prey in the fossilised faeces of dinosaurs, which helped reconstruct the rise of the dinosaurs to become the dominant players in Earth’s ancient…
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Illustration of a squirting cucumber (Ecballium elaterium) dispersing its seeds. | Photo Credit: Getty Images The squirting cucumber (Ecballium elaterium) is named for the ballistic method the species uses to disperse its seeds. When ripe, the ovoid-shaped fruits detach from the stem and eject the seeds explosively in a high-pressure jet of mucilage. This projectile…
A loud firecracker, measured from 10 feet away, has an intensity of 140 dB. | Photo Credit: FIle photo The festival of Deepavali is behind us now. All our festivals bring us joy, and the festival of light is also accompanied by a great deal of sound. There are pleas for the use of green…