Palomar 5 is a unique star cluster. This is firstly because it is one of the «fluffiest» clusters in the halo of our Galaxy, with the average distance between the stars being a few light-years, comparable to the distance from the Sun to the nearest star. Secondly, it has aContinuar Leyendo
A new study disputes the prevailing hypothesis on why Mercury has a big core relative to its mantle (the layer between a planet’s core and crust). For decades, scientists argued that hit-and-run collisions with other bodies during the formation of our solar system blew away much of Mercury’s rocky mantleContinuar Leyendo
The number of people who live past the age of 100 has been on the rise for decades, up to nearly half a million people worldwide. Washington, 04 de ulio de 2021.- There are, however, far fewer «supercentenarians,» people who live to age 110 or even longer. The oldest livingContinuar Leyendo
Researchers at La Jolla Institute for Immunology (LJI) have found that T cells from people who have recovered from COVID-19 or received the Moderna or Pfizer-BioNTech vaccines are still able to recognize several concerning SARS-CoV-2 variants. La Jolla, July 04, 2021.- Their new study, published online on July 1, 2021Continuar Leyendo
When environmental physicist Kira Rehfeld, from Heidelberg University, visited Antarctica for her research, she was struck by the intense light there. «It’s always light in summer. This solar radiation could actually be used to supply the research infrastructure with energy,» she observes. However, generators, engines, and heaters in these remoteContinuar Leyendo
París, July 02, 2021.- After several weeks of bad weather and strong winds, the latest pair of high-altitude drop tests of the ExoMars parachutes took place in Kiruna, Sweden. The 15 m-wide first stage main parachute performed flawlessly at supersonic speeds, while the 35 m-wide second stage parachute experienced oneContinuar Leyendo
In an article appearing in Nature Biomedical Engineering, a team of scientists from the UCLA David Geffen School of Medicine and UCLA School of Engineering report real-world results on SwabSeq, a high-throughput testing platform that uses sequencing to test thousands of samples at a time to detect COVID-19. They wereContinuar Leyendo
Using real-time deformability cytometry, researchers at the Max-Planck-Zentrum für Physik und Medizin in Erlangen were able to show for the first time: Covid-19 significantly changes the size and stiffness of red and white blood cells — sometimes over months. These results may help to explain why some affected people continueContinuar Leyendo
Langerhans cell histiocytosis (LCH) is a rare cancer involving dendritic cells, a type of white blood cell that usually helps defend against infections. The current standard of care for LCH, chemotherapy, cures fewer than half of patients. Houston, july 01, 2021.- «Our research team focuses on identifying the causes ofContinuar Leyendo
Knowing the weight of a commodity provides an objective way to value goods in the marketplace. But did a self-regulating market even exist in the Bronze Age? And what can weight systems tell us about this? A team of researchers from the University of Göttingen researched this by investigating theContinuar Leyendo
