SCIENCE
NASA's Apollo 11 mission astronaut Michael Collins passes away
During the 1969 Apollo 11 mission, Collins remained in lunar orbit while fellow crew members Neil Armstrong and Buzz Aldrin descended to the moon's surface in the lunar module. When Armstrong and Aldrin descended to the moon's surface on July 20, Collins was orbiting 65 miles above them and was momentarily almost forgotten as the world's attention focused on his two crewmates below.
Coronavirus' spike protein alone may cause lung damage: Study
SARS-CoV-2, the virus that causes Covid-19, is covered in tiny spike proteins. These proteins bind with receptors on our cells, starting a process that allows the virus to release its genetic material into a healthy cell.
NASA astronaut successfully harvests 2 plants in space
NASAs Expedition 64 crew member Michael Hopkins has harvested two crops in space -- 'Amara' mustard, and a previously grown crop, 'Extra Dwarf' pak choi. They were grown for 64 days, the longest leafy greens have grown on station, the US space agency said.
Gene changes may explain symptoms in Covid survivors
During an infection, the spike proteins bind with receptors on cells in our body, starting a process that allows the virus to release its genetic material into the inside of the healthy cell. "We found that exposure to the SARS-CoV-2 spike protein alone was enough to change baseline gene expression in airway cells," said Nicholas Evans, a student at the Texas Tech University Health Sciences Centre in the US.
Indians suffer from mental stress as Covid resurges
The uncertainty about their present and future, coupled with government mandates to stay at home, is all exacerbating mental illness. The feeling of being cooped up at home, distant from their loved ones, devoid of social support and fear about new variants is increasing mental illness, according to mental health experts.
How diabetes, cancer & pesticide exposure raises Covid risk
The study, led by Saurabh Chatterjee and team from the University of South Carolina in the US, identified a basic mechanism linked with inflammation that could increase susceptibility to Covid-19 infection among people exposed to organophosphates.
Oxygen concentrators become a necessity during Covid 2.0
The second Covid wave, which began hitting India in March this year, has left more patients gasping for breath. The severe breathlessness has been a common feature observed this time that has led to a spike in demand for oxygen. The surge in demand, observed in many states including Delhi, Haryana, Gujarat, Madhya Pradesh and Maharashtra, led to acute shortage of oxygen in the country, with many hospitals sending SOS messages.
One million coronavirus genomes sequenced from 172 countries: Report
"Because countries are submitting data from so many parts of the world, you have a system where we can watch how the virus spreads through the world, and see if control measures and the vaccines still work," Sebastian Maurer-Stroh, a Singapore-based scientific adviser at the GISAID -- a German non-profit organisation.
Hubble images show giant star on edge of destruction
The star, called AG Carinae, is a few million years old and resides 20,000 light-years away inside our Milky Way galaxy. It is estimated to be up to 70 times more massive than our Sun and shines with the blinding brilliance of one million suns.
SpaceX Crew-2 Dragon with four astronauts onboard docks at ISS
The four astronauts on board are NASA astronauts Shane Kimbrough and Megan McArthur -- who will serve as the mission's spacecraft commander and pilot, respectively, JAXA (Japan Aerospace Exploration Agency) astronaut Akihiko-Hoshidea and ESA (European Space Agency) astronaut Thomasa-Pesquet, who will serve as mission specialists to the space station.
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