Sediments in which archaeological finds are embedded have long been regarded by most archaeologists as unimportant by-products of excavations. However, in recent years it has been shown that sediments can contain ancient biomolecules, including DNA. «The retrieval of ancient human and faunal DNA from sediments offers exciting new opportunities toContinuar Leyendo
The COVID-19 pandemic highlighted the devastating impact of acute lung inflammation (ALI), which is part of the acute respiratory distress syndrome (ARDS) that is the dominant cause of death in COVID-19. A potential new route to the diagnosis and treatment of ARDS comes from studying how neutrophils — the whiteContinuar Leyendo
A team of researchers at the University of Adelaide has found a link between the way that cells produce energy for brain function and the mutated genes found in Alzheimer’s disease. Adelaide, December 28, 2021.- The discovery published in Disease Models and Mechanisms has prompted further examination of the linkContinuar Leyendo
NASA’s James Webb Space Telescope launched at 7:20 a.m. EST Saturday on an Ariane 5 rocket from Europe’s Spaceport in French Guiana, South America. Washington, Dec 26, 2021.- A joint effort with ESA (European Space Agency) and the Canadian Space Agency, the Webb observatory is NASA’s revolutionary flagship mission toContinuar Leyendo
Patients hospitalized with COVID-19 who had a combination of high blood pressure, obesity, diabetes, or other conditions associated with metabolic syndrome were at much higher risk of acute respiratory distress syndrome (ARDS) and death, according to an international study published in the medical journal JAMA Network Open. New Orleans, DecContinuar Leyendo
Vienna, Dec 23, 2021.- Rogue planets are elusive cosmic objects that have masses comparable to those of the planets in our Solar System but do not orbit a star, instead roaming freely on their own. Not many were known until now, but a team of astronomers, using data from severalContinuar Leyendo
Earthquakes of similar magnitude can cause tsunamis of greatly varying sizes. This commonly observed, but not well-understood phenomenon has hindered reliable warnings of local tsunamis. Honolulu, December 21, 2021.- Research led by University of Hawai’i (UH) at Manoa scientists provides new insight that connects the characteristics of earthquakes — magnitude,Continuar Leyendo
Antibiotic resistance is a race between us humans, who strive to find new antibiotics that can treat infectious diseases — and bacteria, which are becoming increasingly resistant. For now, bacteria are way ahead, which is why it is important for us to learn more about antibiotic resistance. A Danish researchContinuar Leyendo
Searching for molecules that could act as effective therapies for devastating diseases requires extensive time, money and resources — and it often ends in failure. Los Angeles, Dec 19, 2021.- Researchers at the USC Dornsife College of Letters, Arts and Sciences have created a process that increases the chances ofContinuar Leyendo
New research from the University of Massachusetts Amherst provides a novel answer to one of the persistent questions in historical climatology, environmental history and the earth sciences: what caused the Little Ice Age? The answer, we now know, is a paradox: warming. Amherst, Massachusetts, Dec 19, 2021.- The Little IceContinuar Leyendo
