Viral DNA in human genomes, embedded there from ancient infections, serve as antivirals that protect human cells against certain present-day viruses, according to new research. Ithaca, NY, October 31, 2022.- The paper, «Evolution and Antiviral Activity of a Human Protein of Retroviral Origin,» published Oct. 28 in Science, provides proofContinuar Leyendo
The agency’s lander felt the ground shake during the impact while cameras aboard the Mars Reconnaissance Orbiter spotted the yawning new crater from space. Washington DC, October 30, 2022.- NASA’s InSight lander recorded a magnitude 4 marsquake last Dec. 24, but scientists learned only later the cause of that quake:Continuar Leyendo
Researchers at University of California San Diego have identified a new signaling process involving G protein-coupled receptors (GPCRs), a cellular target already exploited by hundreds of diverse drugs. The discovery, published in the October 26, 2022 issue of Nature, opens the possibility of new therapies, including for multiple forms ofContinuar Leyendo
A recently released set of topography maps provides new evidence for an ancient northern ocean on Mars. The maps offer the strongest case yet that the planet once experienced sea-level rise consistent with an extended warm and wet climate, not the harsh, frozen landscape that exists today. University Park, Pa.,Continuar Leyendo
It’s the vitamin that we get from the sun, yet despite its ample availability, one in three Australian adults still suffer from mild, moderate or severe vitamin D deficiency. South Australia, October 26, 2022.- Now, new research from the University of South Australia gives strong evidence that vitamin D deficiencyContinuar Leyendo
Cambridge scientists have shown that it is possible to spot signs of brain impairment in patients as early as nine years before they receive a diagnosis for one of a number of dementia-related diseases. Cambrigde, October 26, 2022.- In research published today in Alzheimer’s & Dementia: The Journal of theContinuar Leyendo
When Mars’ first samples return to Earth, scientists should be on the lookout for ancient sleeping bacteria, a new study has found. Evanston, IL, October 26, 2022.- In a first-of-its-kind study, a research team, including Northwestern University’s Brian Hoffman and Ajay Sharma, found that ancient bacteria could survive close toContinuar Leyendo
The European Commission has announced support for fundamental research to study the interplay of gravity and the quantum world in a new experiment. A research team from the University of Vienna, the Ludwig Maximilians University and the Massachusetts Institute of Technology (MIT) has been awarded the prestigious ERC Synergy Grant,Continuar Leyendo
The first genetic data from Palaeolithic human individuals in the UK — the oldest human DNA obtained from the British Isles so far — indicates the presence of two distinct groups that migrated to Britain at the end of the last ice age, according to new research. London, Octuber 25,Continuar Leyendo
For the first time, an international team led by researchers from the Max Planck Institute for Evolutionary Anthropology have managed to sequence multiple individuals from a remote Neandertal community in Siberia. Berlín, October 22, 2022.- Among these thirteen individuals, the researchers identified multiple related individuals — among these a fatherContinuar Leyendo
