New York, Dec 01, 2023.- An interdisciplinary collaboration used 600 years of tree rings from the San Joaquin Valley to reconstruct plausible daily records of weather and streamflow scenarios during that period. Modeling based on those scenarios revealed the region has experienced vast variability in climate extremes, with droughts andContinuar Leyendo
Angiosperm flowers reached their greatest morphological diversity early in their evolutionary history. Bern, Dec 01,2023.- An international team of researchers around botanists at the University of Vienna, Austria, has now analyzed the morphological diversity of fossilized flowers and compared it with the diversity of living species. Their results were quiteContinuar Leyendo
Leading Researchers in Rare Blood Cancers to Investigate New Therapeutic Strategy that Targets Leukemic Stem Cells New York, Nov 29, 2023.- Acute myeloid leukemia (AML) and myelodysplastic syndromes (MDS)—two related blood diseases that disproportionally strike older adults—are notoriously difficult to treat and associated with high relapse rates. Although new therapiesContinuar Leyendo
New York, Nov 27, 2023.- A common microbe found in sewage, marine sediment, soil, and the GI tracts of pets and farm animals may play a defining role in multiple sclerosis, according to a new study. The findings, published in The Journal of Clinical Investigation, suggest that a toxin producedContinuar Leyendo
Some people may be able to manage the disease without medications, say researchers building on promising results from a major U.K. study. Alberta, Nov 26, 2023.- A research team from the University of Alberta is aiming to find out whether a combination of diet and exercise could stop the progressionContinuar Leyendo
The latest image from the NASA/ESA/CSA James Webb Space Telescope shows a portion of the dense centre of our galaxy in unprecedented detail, including never-before-seen features astronomers have yet to explain. The star-forming region, named Sagittarius C (Sgr C), is about 300 light-years from the Milky Way’s central supermassive blackContinuar Leyendo
París, Nov 14, 2023.- The NASA/ESA/CSA James Webb Space Telescope and the NASA/ESA Hubble Space Telescope have united to study an expansive galaxy cluster known as MACS0416. The resulting panchromatic image combines visible and infrared light to assemble one of the most comprehensive views of the Universe ever obtained. LocatedContinuar Leyendo
ESA’s Hera asteroid mission has completed acoustic testing, confirming the spacecraft can withstand the sound of its own lift-off into orbit. Testing took place within the Agency’s Large European Acoustic Facility at the ESTEC Test Centre in the Netherlands. This is Europe’s largest and most powerful sound system, fitted withContinuar Leyendo
Bern, Nov 08, 2023.- Unlike their relatives, individuals of the poison frog Allobates femoralis are not poisonous but are captivating due to their different behavioral profiles: They successfully reproduce with different strategies depending on whether they are bold, aggressive or explorative. In addition, certain character traits are already present inContinuar Leyendo
Tucson, Nov 2, 2023.- NASA’s OSIRIS-REx mission learned much about the potentially hazardous asteroid Bennu and its risk to Earth. Now, the mission will change hands and target a different kind of potentially hazardous asteroid, Apophis. After seven years in space and over 4 billion miles traveled, NASA’s OSIRIS-REx missionContinuar Leyendo
