Pfizer announces that its vaccine is 90% effective

– arda savasciogullari / Shutterstock.com The coronavirus pandemic remains relevant, and so does the vaccine race to annihilate this disease. In a resounding announcement, two US and German pharmaceutical companies said they had developed a vaccine that was 90% effective. A vaccine that far exceeds the requirements of the American authorities The American pharmaceutical giant … Read more




The impact of light pollution is much greater than previously thought

– CHEN MIN CHUN / Shutterstock.com British researchers recently performed a meta-analysis which found that the range and intensity of nighttime lighting was increasing by around 2% per year globally, resulting in a series of impacts comparable to those caused by climate change. An underestimated global environmental impact As part of this work published in … Read more

16% of patients would present only gastrointestinal symptoms

Canadian researchers recently showed that gastrointestinal symptoms could be a sign of SARS-CoV-2 infection, even when these were not accompanied by breathing problems. Thirty-six publications analyzed About one in five patients with Covid-19 would only show gastrointestinal symptoms, according to a meta-analysis by researchers at theUniversity of Alberta (Canada) and published in the journal Abdominal … Read more

Neanderthals and Homo sapiens waged war against each other for 100,000 years, study finds

Neanderthals are hominids very close to Homo sapiens, the ancestors of modern humans. Even though Neanderthals did not persist, they still left an important trace of their existence, and recent studies show that they were at war with humans. This could mean that the concept of war is innate in hominids. A battle that prevented … Read more

This common diabetes drug may prevent Parkinson’s disease

A drug used to treat diabetes, exenatide could reduce the risk of developing Parkinson’s disease, according to this research which suggests new possibilities for treating this neurodegenerative disorder. Surprising discoveries After years of conflicting research, a large study conducted in 2018 confirmed a link between Type 2 diabetes and the disease of Parkinson’s. Covering several … Read more

This study reveals a wide range of brain abnormalities caused by Covid-19

A meta-analysis recently highlighted a wide range of brain abnormalities in patients with Covid-19, and found that around a third of these were localized to the frontal lobe. Numerous neurological effects While a sudden loss of smell and taste was among the first unusual symptoms reported for patients with Covid-19, Stroke, seizures and swelling of … Read more