The McGill University paleontologist, who died from COVID-19, was known for using multidisciplinary methods to explore the origins of amphibians, birds, and mammals.
Leroy Hood is one of the world’s leading scientists in molecular biotechnology and genomics.
Leroy Hood M.D., Ph.D.
Continue reading “Systems Biology and the Coming of ‘Big’ Science” »
Scientists have discovered which kinds of cells in the human body may be most susceptible to infection by the SARS-CoV-2 virus, identifying putative targets for the pathogen based on the types of proteins produced by cells.
During the original SARS epidemic in the early 2000s, researchers found that the virus responsible, officially designated SARS-CoV, infects cells with the help of two proteins: a receptor called angiotensin-converting enzyme 2 (ACE2), which helps the virus bind to cells, and an enzyme called Type II transmembrane serine protease (TMPRSS2), which mediates the infection of the cell.
Earlier this year, scientists discovered that SARS-CoV-2 — the one that causes COVID-19 — exploits the same two proteins, giving researchers a vital clue to identify the most susceptible targets of the virus at the cellular level: cells in respiratory and intestinal tissue that express both ACE2 and TMPRSS2.
Tesla patents a new NCA electrode that is likely going to be used in its new battery cell built in-house, which is expected to be longer-lasting and cheaper.
We previously reported on Tesla’s battery research partner, Jeff Dahn and his team at Dalhousie University, unveiling the impressive results of tests on a new battery cell that could last over 1 million miles in an electric vehicle.
Continue reading “Tesla patents a new electrode for its 1-million-mile battery” »
The new coronavirus is quickly destroyed by sunlight, according to new research announced by a senior US official on Thursday, though the study has not yet been made public and awaits external evaluation.
William Bryan, science and technology advisor to the Department of Homeland Security secretary, told reporters at the White House that government scientists had found ultraviolet rays had a potent impact on the pathogen, offering hope that its spread may ease over the summer.
“Our most striking observation to date is the powerful effect that solar light appears to have on killing the virus, both surfaces and in the air,” he said.
I’ve been shocked sometimes when I walk in and see the patients. Most of the ones I’ve intubated are young — 30s, 40s, 50s. These are people who walked into the ER because they were coughing a day or two ago, or sometimes hours ago. By the time I come into the room, they are in severe respiratory distress. Their oxygen level might be 70 or 80 percent instead of 100, which is alarming. They are taking 40 breaths a minute when they should be taking 12 or 14. They have no oxygen reserves. They are pale and exhausted. It puts them in a mental fog, and sometimes they don’t hear me when I introduce myself. Some are panicky and gasping. Others are mumbling or incoherent. Last week, one patient was crying and asking to use my phone so they could call family and say goodbye, but their oxygen levels were dropping, and we didn’t have time, and I couldn’t risk bringing my phone in and contaminating it with virus, and the whole thing was impossible. I kept apologizing. I just —. I don’t know. I have to find a way to hold it together in order to do this job. I tear up sometimes, and if I do, it can fog up my face shield.
“It’s a powerless feeling, watching someone die”: An anesthesiologist on the frontline of coronavirus outbreak.
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WASHINGTON — The Defense Advanced Research Projects Agency awarded Lockheed Martin a $5.8 million contract for satellite integration work for the Blackjack program, the company announced April 24.
Blackjack is a project to deploy a constellation of 20 satellites in low Earth orbit by 2022 and demonstrate that a LEO system can provide global high-speed communications.
Lockheed Martin will define and manage interfaces between Blackjack’s satellite buses, payloads and the so-called Pit Boss autonomous data processor. The work will be performed at the company’s satellite manufacturing plant in Sunnyvale, California.
Saudi Arabia is to abolish flogging as a form of punishment, according to a legal document seen by media outlets.
The directive from the Gulf kingdom’s Supreme Court says flogging will be replaced by imprisonment or fines.
It says this is an extension of human rights reforms brought by King Salman and his son, the country’s de facto ruler Crown Prince Mohammed bin Salman.
O,.,o.
Throughout Syria’s lengthy conflict, Bellingcat has worked to investigate a large number of chemical attacks, including the nature of the weapons deployed in those attacks, using open source evidence. From modified chlorine cylinders to locally made surface to surface rockets filled with Sarin, Bellingcat has revealed the nature, and origin, of these chemical weapons, confirming the Syrian government’s involvement in a range of chemical attacks.
Continue reading “The Open Source Hunt for Syria’s Favourite Sarin Bomb” »
