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The study, published in the journal Science Advances, uncovers a coronavirus-specific structure in cells, which may act as a target for much-needed antiviral strategies against this family of viruses.
Meta-grid' or ‘metamaterial grid’ is a specifically patterned array (grid) of nanoparticles acting as metamaterials, capable of exhibiting extraordinary optical properties.
SpaceX and NASA have successfully brought two astronauts back to Earth from the International Space Station, signalling the completion of the mission that took off on May 30, 2020.
The aircraft would travel at Mach 3 -- rather than the Mach 2 speed of Concorde, the pioneering jet that operated from 1976 to 2003.
Two NASA astronauts returned to Earth on Sunday in a dramatic, retro-style splashdown, their capsule parachuting into the Gulf of Mexico to close out an unprecedented test flight by Elon Musk's SpaceX company. It was the first splashdown by U.S. astronauts in 45 years, with the first commercially built and operated spacecraft to carry people to and from orbit. The return clears the way for another SpaceX crew launch as early as next month and possible tourist flights next year.
CAPE CANAVERAL, Fla.- The first astronauts to ride a SpaceX capsule into orbit headed toward a retro-style splashdown in the Gulf of Mexico on Sunday afternoon to close out a two-month test flight.
"This low-cost reprocessing strategy can be applied 10 times without affecting the mask's filtration, breathing resistance, fit and comfort, and thus may help to alleviate the global shortage during the COVID-19 pandemic," said study co-author Gregory Borschel from The Hospital for Sick Children (SickKids) in Toronto, Canada.
Space enthusiast Shanmuga Subramanian, who found the debris of India's moonlander Vikram, said on Saturday that Chandrayaan-2's rover Pragyan seems to be intact on the moon's surface and had rolled out a few metres from the lander.
Goutam Chattopadhyay, Senior Research Scientists at NASA's Jet Propulsion Laboratory in California, US, said the Jezero crater was chosen after exhaustive search by the Mars Reconnaissance Orbiter (MRO) launched to survey the Red Planet in 2005.
The biggest, most sophisticated Mars rover ever built -- a car-size vehicle bristling with cameras, microphones, drills and lasers -- blasted off Thursday as part of an ambitious, long-range project to bring the first Martian rock samples back to Earth to be analyzed for evidence of ancient life.
That the 1-ton rover will end up on Mars on the afternoon of Feb. 18 is nearly certain (presuming it is able to launch before the middle of August). The spacecraft navigators will have put the robotic explorer on a collision course with the planet. The only question is whether Perseverance will be on the ground in one piece or smashed to bits.
NASA is dispatching a six-wheeled rover to Mars, where scientists hope it will collect rock samples that will be brought back to Earth for analysis in about a decade. The rover, named "Perseverance", is NASA's most ambitious Mars mission yet, totaling around $3 billion.
Scientists at the UK's University of Sheffield's Neuroscience Institute examines how the routine use of AI in healthcare could help to relieve the time and economic impact that common neurodegenerative diseases, such as Alzheimer's and Parkinson's, put on the National Health Service (NHS).
The Virgin Galactic spaceship that will someday carry very moneyed tourists boasts windows and cameras galore for easy selfies with planet Earth. The company, founded by British billionaire Richard Branson, provided a virtual tour Tuesday of the inside of the ship that will transport people willing to pay hundreds of thousands of dollars for a brief taste of being at the edge of space. Besides all the windows and cameras, the craft will have a mirror in the back of the cabin so people can admire themselves.
During the visit to India, Ahmad will chair a virtual roundtable with senior Indian and UK-based stakeholders on cold-chain technologies that are critical for the effective transport of vaccines, ensuring they successfully reach their final destination.
NASA's Perseverance is set for liftoff this week - the launch has been scheduled for Thursday morning from Cape Canaveral. Like the other spacecraft, Perseverance should reach the red planet next February following a journey spanning seven months and more than 300 million miles (480 million kilometers).
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