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Sci-Five | The Hindu Science Quiz: On first human to enter space The world’s first manned spaceship is put on public display for first time on April 29, 1965. START THE QUIZ 1 / 5 | Who was the first person to enter outer space? Yuri Artyukhin Ivan Anikeyev Yuri Gagarin Yuri Baturin Yuri Gagarin…
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Silkworm are seen at a farm in Matanzas, Cuba, May 16, 2024. | Photo Credit: Reuters Cuban biochemist Dayron Martin, dressed in a white lab coat and jeans, looks over a table swarming with silkworms with the admiration of a proud father. Hundreds of the cream-coloured caterpillars squiggle across a bed of dark green mulberry…
Read More “Cubans put Asian silkworms to work for artisans in experimental project” »
The sun sets over the mountains, as a geomagnetic storm continues hitting the Earth, in Ronda, Spain, May 12, 2024. | Photo Credit: Reuters New research indicates the sun’s magnetic field originates much closer to the surface than previously thought, a finding that could help predict periods of extreme solar storms like the ones that…
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Coconut trees (like many other plants) get water from the ground through their roots. | Photo Credit: Freepik Water is a fundamental element for the sustenance of life, and in the case of coconuts, it plays a vital role in their growth and development. Anatomy of coconut Designed to thrive in harsh environments, the coconut…
Questions: 1. Name the assistant in Humphrey Davy’s lab who, in 1823, liquefied all the gases known at the time excluding hydrogen, oxygen, and nitrogen. In the post-industrial era, Davy was among the first scientists to deduce atoms were not indivisible by observing the physical properties of matter. 2. In 1900, German physicist ____ _____…
In 1961, Mary Frances Lyon argued that one of the X chromosomes in females is randomly inactivated during early embryonic development to prevent the overexpression of X-linked genes. Representative illustration. | Photo Credit: BlackJack3D/Getty Images In mammals, the females have two copies of the X chromosome while the males carry a single copy. The X…
Read More “X chromosome revival in older women ups autoimmune disease risk” »
The interior of Singapore Airline flight SQ321 is pictured after an emergency landing at Bangkok’s Suvarnabhumi International Airport, Thailand, May 21, 2024. One passenger died and 30 others were injured after the plane hit severe turbulence. | Photo Credit: Reuters Turbulence-related incidents are common, but fatal incidents are rare. What should you do when there…
Read More “What is aircraft turbulence and how common is it? | Explainer” »
Q: Why does water appear white in a waterfall even though it is colourless? A: When all colours are reflected from the surface of an object, it appears white. In a waterfall, water drops can be thought of as being suspended in air and as an inhomogeneous mixture of water and air. We know that…
Smoke from burning vegetation rises in a rainforest in Yanomami Indigenous land, Roraima state, Brazil, March 2, 2024. | Photo Credit: Reuters Brazil’s Amazon rainforest has experienced its largest blazes on record in the first four months of the year, with the environmental workers union on Monday placing partial blame on lower government spending on…
More than four billion years ago, Venus had enough water to cover its surface with an ocean 3 km deep. Today, the planet only has enough for this ocean to be 3 cm deep. Scientists have been able to account for a lot of the water Venus lost in this time — but not all…
Read More “An overlooked molecule could help solve the Venus water mystery” »