SCIENCE
Huge core catcher installed at Kudankulam nuclear unit 4
Russia's integrated nuclear power player Rosatom on Friday said the core melt localisation device, or core catcher, has been installed in the design position under the reactor pit of power unit 4 of Kudankulam Nuclear Power Project (KNPP) which under construction.
2nd Covid wave: Scientists report more infections in kids
"Children are often said to be less likely infected compared to adults. However, the data for this assumption is sparse. The results of our study clearly show that both preschool and school children are susceptible to SARS-CoV-2 infection," explained Anette-Gabriele Ziegler, from Helmholtz Zentrum Munchen, German Research Centre for Environmental Health, Munich-Neuherberg, Germany.
'Jumping' genes can prevent blood cancers: Study
Transposons are DNA sequences that can move, or jump, from one location in the genome to another when activated. These "jumping" genes are a source of genetic mutations responsible for a number of human diseases.
Increased exposure to sunlight may lower Covid deaths: Study
Ultraviolet UVA rays makeup 95 per cent of the Sun's UV light and can penetrate more deeply into the skin. People living in areas with the highest level of exposure to UVA rays had a lower risk of death from Covid-19 compared to those with lower levels, revealed the study published in the British Journal of Dermatology.
NASA's Odyssey spacecraft marks 20 years of mapping Mars
For two decades, the longest-lived spacecraft at the Red Planet, 2001 Mars Odyssey, has helped locate water ice, assess landing sites, and study the planet's mysterious moons, NASA said.Launched 20 years ago on April 7, the orbiter, which takes its name from Arthur C. Clarke's classic sci-fi novel "2001: A Space Odyssey", was sent to map the composition of the Martian surface, providing a window to the past so scientists could piece together how the planet evolved.
NASA's OSIRIS-REx completes last flyover of asteroid Bennu
The flyover was completed at around 6 a.m. EDT on Wednesday, but the mission team will have to wait a few more days to find out how the spacecraft changed the surface of Bennu when it grabbed a sample of the asteroid, NASA said.
Astronomers spot double quasars in merging galaxies
The researchers believe the quasars are very close to each other because they reside in the cores of two merging galaxies. The team went on to discover yet another quasar pair in another colliding galaxy duo. A quasar is a brilliant beacon of intense light from the centre of a distant galaxy that can outshine the entire galaxy.
Researchers debunk Covid link with blood group
The findings, published in the journal JAMA Network Open, showed that the blood types A, B, AB and O were not associated with disease susceptibility or severity. Compared with type O blood, type A was not associated with increased viral positivity, hospitalization or ICU admission. Similarly, types B and AB were not associated with worse outcomes than type O.
Ozone pollution harms maize crops: Study
"Ozone pollution is higher in the northern hemisphere and peaks in the warmer, summer months," said researcher Jessica Wedow from the University of Illinois Urbana-Champaign in the US. "High concentrations of ozone pollution overlap temporally and spatially with crop growth, so it is important to study how the high ozone concentrations affect crop yields," Wedow added.
Monitoring foetal heartbeat can reduce 30% C-sections: Study
Caesarean delivery is the most common surgical procedure worldwide, performed to expedite birth and avoid neonatal complications. However, the procedures carry risks like infection, excessive bleeding, damage to reproductive organs and blood clots.
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