According to a new report from the US Centers for Disease Control and Prevention, a restaurant in Michigan was the source of an unusual salmonella outbreak that lasted for more than a decade. As a result of a long investigation, experts determined that it was not the food that infected the visitors of the restaurant, but the restaurant building itself and its employees, who were asymptomatically carrying the bacterium.
Researchers from the HSE and the Institute of Bioorganic Chemistry of the Russian Academy of Sciences have demonstrated the ability of T-cell immunity to resist the 11 most common variants of SARS-CoV-2. Scientists at Northwestern University, USA have developed a method of fighting tumors using NK cells of innate immunity. Brown University scientists have shown that self-isolation negatively affects the intellectual development of children born during the pandemic.
New data from the first CRISPR gene editing clinical trial in the United States showed that the therapy is safe and effective — even after two years, no side effects were detected.
Land development is important for the economies of Canada, the USA, the Scandinavian countries, Russia and other countries belonging to the northern Boreal and Arctic regions. However, the introduction of new agricultural technologies may cause problems in the field of global climate and ecological systems of the North.
Scientists from Keio University, Japan have discovered special acids in the microbiota of centenarians that protect the body from pathogens. Scientists from Sentara Hospital, USA have shown that the transplantation of a heart taken from a donor who died of an overdose does not increase the risk for the patient. Scientists from the University of Surrey, UK have applied a special algorithm to search for chemical compounds that prolong life.
Not far from Alexandria, during underwater excavations of the city of Heraklion, archaeologists found an Egyptian ship that sank 2,200 years ago. Researchers of the Department of Archaeology of the US Navy have trained a neural network to search for sunken ships. 400 thousand years ago, different Homo populations could actively exchange knowledge. In the Victoria and Albert Museum in London, a fingerprint was found on a wax figurine, perhaps it belongs to Michelangelo.
American experts are increasingly resorting to a method that allows them to detect the spread of a new strain of coronavirus in the country's cities by studying wastewater.
Having made a breakthrough that could open up exciting new opportunities in the field of computing and electronics, scientists from the United States have developed a two–dimensional magnetic material - the thinnest in the world today.
Over the past month, nature has decided to once again show humanity how vulnerable it is to natural disasters. Some events, such as fires in the United States, are seasonal, but others have become a real surprise. China and Western Europe have suffered from severe floods, and huge tracts of land are burning in Russia and the United States.
Masks help prevent the spread of the SARS-CoV-2 virus, but at the very beginning of the pandemic, many regions were skeptical about the idea of constantly wearing protective equipment. Professor of the Department of Primary Health Care at Oxford University (UK) Trish Greenhalgh named some of them.