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Nasa zeroes in on cause of Hubble’s trouble

Nasa zeroes in on cause of Hubble’s trouble

Science
NASANasa has identified the possible cause of a problem that has stopped the Hubble telescope from being used for astronomy.It's the worst glitch in years to hit the venerated observatory.An onboard computer halted on 13 June, leading to the science instruments being put in "safe mode" - where non-essential systems are shut down.Now the possible origin of the malfunction has been traced, experts will attempt a fix.They will begin switching over to back-up hardware on Thursday, in an effort to get one of the most important scientific tools in history up and running again.Although astronomy observations have been suspended since June, Nasa says the telescope itself and the science instruments are healthy.Hubble delivers stunning 30th birthday pictureHubble telescope's Universe revealed in 3D...
European regulator: ‘No indication’ Oxford jab is cause of blood clots

European regulator: ‘No indication’ Oxford jab is cause of blood clots

World
The European Union's medicines agency has said there is "no indication" that Oxford-AstraZeneca's coronavirus vaccine is the cause of reported blood clots.The European Medicines Agency (EMA) has been carrying out a case-by-case evaluation of incidents and was expected to complete its review on Thursday, said executive director Emer Cooke. Live updates COVID updates from the UK and around the world The review began after a report from the Norwegian Medicines Agency revealed blood clotting events in four adults who had the COVID-19 jab.But on Tuesday, the EMA said it was "firmly convinced" the vaccine's benefits outweighed the risk of side effects. ...
Wildfire smoke particles cause more lung damage than other pollution sources

Wildfire smoke particles cause more lung damage than other pollution sources

Health
March 5 (UPI) -- The fine particles in wildfire smoke are up to 10 times more harmful to human lungs than pollution from other sources, such as car exhaust, an analysis published Friday by the journal Nature Communications found. Every 10 microgram-per-cubic meter increase in particulate matter -- the hazardous microscopic particles found in dust, pollen, smoke and soot, car exhaust and industrial emissions -- led to a 1% rise in hospital admissions for breathing problems, the data showed. Advertisement Higher levels of particulate matter in wildfire smoke, however, resulted in a 1.3% to 10% increase in hospitalizations for respiratory issues. The findings are based on an analysis of air pollution from wildfires and other sources in Southern California between 1999 and 2012. The region ha...

Fed Chairman Powell says economic reopening could cause inflation to pick up temporarily

Finance
Federal Reserve Chairman Jerome Powell said Thursday that he expects some inflationary pressures in the time ahead but they likely won't be enough to spur the central bank to hike interest rates."We expect that as the economy reopens and hopefully picks up, we will see inflation move up through base effects," Powell said during a Wall Street Journal conference. "That could create some upward pressure on prices."Markets reacted negatively to Powell's comments, with stocks sliding and Treasury yields jumping. Some investors and economists had been looking for him to address the recent surge in rates, with a possible nod toward adjusting the Fed's asset purchase program.The Fed currently is buying $ 120 billion a month in Treasurys and mortgage-backed securities. Recent market chatter has re...
Genetic mutations that cause malaria drug resistance common in Asia, Africa

Genetic mutations that cause malaria drug resistance common in Asia, Africa

Health
Dec. 31 (UPI) -- Genetic mutations that fuel resistance to a drug intended to prevent malaria in pregnant women and children are common in countries that are fighting the disease, according to a PLOS Genetics analysis. Mutations of a gene linked with resistance to the drug sulfadoxine-pyrimethamine in the parasite that causes malaria were discovered in one-fourth of the samples collected in southeast Asia and one-third of those obtained in Africa, the researchers said. Advertisement The growth in the number of malaria parasites with mutations to the gene pfgch1 are concerning because they may increase resistance to the drug, they said. "We need to understand how these mutations work and monitor them as part of malaria surveillance programs," study co-author Taane Clark, a professor of gen...