Since the Perseverance rover landed in Jezero crater on Mars in February, the rover and its team of scientists back on Earth have been hard at work exploring the floor of the crater that once held an ancient lake. Perseverance and the Mars 2020 mission are looking for signs ofContinuar Leyendo
A new kind of concrete could reduce emissions from the construction industry. Calcium carbonate concrete is made from waste concrete and carbon dioxide from the air or industrial exhaust gases. It shows promise as a future construction material, especially in places where natural resources are limited. Tokio, October 08, 2021.-Continuar Leyendo
Colorectal cancer is projected to claim 53,000 lives in the United States this year alone and, as with most cancers, the disease is deadliest when it metastasizes. It follows that the most effective way to control it would be a drug that targets metastasis itself — preventing cancer cells fromContinuar Leyendo
Usually, the electrical resistance of a material depends very much on its physical dimensions and fundamental properties. Under special circumstances, however, this resistance can adopt a fixed value that is independent of the basic material properties and «quantised» (meaning that it changes in discrete steps rather than continuously). This quantisationContinuar Leyendo
Princeton, October 06, 2021.- A promising method for producing and observing on Earth a process important to black holes, supernova explosions and other extreme cosmic events has been proposed by scientists at Princeton University’s Department of Astrophysical Sciences, SLAC National Acceleraor Laboratory, and the U.S. Department of Energy’s (DOE) PrincetonContinuar Leyendo
Los investigadores Benjamin List y David MacMillan desarrollaron la organocatálisis, un tipo de catalizador con numerosas aplicaciones que ha revolucionado a la ciencia. Estocolmo, 06 de Octubre de 2021.- El alemán Benjamin List y el estadounidense David W. C. MacMillan ganaron este miércoles 6 de octubre el Premio Nobel de Química.Continuar Leyendo
In the earliest days of the COVID-19 pandemic, the medical community turned to a century-old treatment: Take blood from recovered patients and give it to the sick. The hypothesis was that components in the so-called «convalescent plasma» that fought off the disease once could do it again, something that hasContinuar Leyendo
Despite the prevalence of the painful condition, women are fearful and frustrated with limited management options, according to Cedars-Sinai research published in the Journal of Urology. Los Angeles, October 04, 2021.- Women who participated in the study were critical of healthcare providers for failing to understand their experiences while over-prescribingContinuar Leyendo
Most strokes happen when an artery in the brain becomes blocked. Blood flow to the neural tissue stops, and those tissues typically die. Because of the locations of the major arteries in the brain, many strokes affect motor function. Some affect vision, however, causing patients to lose their vision orContinuar Leyendo
In a distant star system — a mere 1,300 light years away from Earth — UNLV researchers and colleagues may have identified the first known planet to orbit three stars. Las Vegas, October 03, 2021.- Unlike our solar system, which consists of a solitary star, it is believed that halfContinuar Leyendo
