All The News
AstraZeneca’s COVID-19 vaccine is 79 percent effective in a U.S. trial The coronavirus vaccine developed by AstraZeneca and the University of Oxford was effective at preventing COVID-19 symptoms, a clinical trial of more than 30,000 people in the United States, Chile and Peru finds. It’s …..
AstraZeneca’s COVID-19 vaccine isn’t tied to blood clots, experts say AstraZeneca’s COVID-19 vaccine is not associated with an increased risk of blood clots, the European Medicines Agency announced March 18. That’s the conclusion of an investigation conducted by an EMA safety committee into reports of …..
We still don’t know for sure where the coronavirus came from. Here’s why More than a year after the novel coronavirus had spread to all corners of the globe, officially becoming a pandemic, we still don’t know where it came from (SN: 3/11/20). Many researchers …..
Coronavirus reinfections appear rare, especially in people younger than 65 Second bouts of COVID-19 are rare, though people 65 years and older may be at higher risk of reinfection than younger ones, a study from Denmark suggests. The first documented coronavirus reinfection was reported in …..
50 years ago, researchers treated chronic pain with electricity Fooling the brain — Science News, March 20, 1971 Chronic pain can be treated surgically by severing nerves or by destroying a small part of the brain that perceives pain, but these methods are destructive. Doctors …..
Two new books investigate why it’s so hard to define life If everything in the world had to be divided into two bins — one for living things and one for nonliving — the task might seem easy. Trees, bacteria and humans are alive; rocks, …..
The latest Ebola outbreak may have started with someone infected years ago The ongoing Ebola outbreak in Guinea was most likely sparked by someone infected during the outbreak seven years ago, a new study shows. Viruses from both outbreaks are almost genetically identical, hinting that …..
The COVID-19 pandemic is now a year old. What have scientists learned? One year ago, the World Health Organization declared that the novel coronavirus outbreak was a pandemic (SN: 3/11/20). Little did we know the uncertainty, anxiety, frustration and loss that was in store. It’s …..