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What do the UX Tauri, RW Aurigae, AS 205, Z CMajoris, and FU Orionis have in common? They are young star systems with disks where planets can form. It appears that the discs were disturbed by interstellar flybys or other close encounters in the past. Astronomers want to know: did the event interfere with the formation of planets in the disk? What are they doing? Does this happen on other systems? And, did our solar system experience strange encounters in its youth? Some of the answers lie in research by astronomer Nicolás Cuello of the University of the Grenoble Alpes who heads a team studying the role of interstellar flight. In a recent paper, they discussed the processes this system goes through. They check the probability of a given disk having a flyby/encounter and classify the encounter type. The team is also studying a set of disks to understand what happens during each type of encounter and see the implications of flybys for planet formation in other systems. Finally,

New discoveries about extreme habitats could help us solve three mysteries with one stone — providing new insights into how Earth’s oceans formed, uncovering the secrets of extraterrestrial life, and uncovering potential cancer-fighting compounds. This is all thanks to a team of researchers at the University of Miami, who have discovered a large saltwater deep-sea pool in the Red Sea that quickly kills or incapacitates anything that gets into it, according to a preliminary report by Live Science . Life does exist on the periphery of this aquatic death trap; However, any unfortunate animals that burrow beneath the surface do not survive and are instead pickled. However, these rare saltwater pools could hold clues about thousands of years of climate change in the region and could even shed light on the origins of life on Earth, a study published in the journal says. Communication of Earth Nature and Environment show. Uncovering a deep sea saltwater pool In case you didn’t know, a salt

Your gut is an amazing place. The special layer of cells that line the inside of your small and large intestines take nutrients and water from what you eat while keeping anything bad out of your system. This layer is called the intestinal epithelium. It actually renews itself every four to seven days using stem cells. These are special types of cells that can self-renew by dividing and differentiating to produce other types of cells to renew your organs. Scientists still don’t know how exactly they make this decision, or what defines stem cells. Bernat Corominas-Murtra, formerly a postdoc at the Austrian Institute of Science and Technology (ISTA) and now an assistant professor at the University of Graz, and Edouard Hannezo, professor at ISTA, in collaboration with an international experimental research group led by Jacco Van Tim Rheenen in Amsterdam studied cells stems in the intestinal epithelium. They discovered an exciting new mechanism that could change our understanding of w

The James Webb Space Telescope Team has released the first scientific-quality images of the new telescope. It contains the oldest galaxies ever seen by the human eye, evidence of the presence of water on a planet 1,000 light years away and incredible detail showing the birth and death of stars. Webb’s goal is to explore the origins – the universe, galaxies, stars and life – and the five images released on July 12, 2022, fulfill that promise. Once the instruments on board were cool and running smoothly, astronomers wasted no time getting Webb to work. Each first image contains sufficient data to produce its own primary scientific result. Webb was designed to collect light across the red to mid-infrared spectrum – the wavelengths of light that are blocked by Earth’s atmosphere. And with giant mirrors and shielding the infrared rays emitted by the Sun, Earth and Moon, Webb can produce images with a sharpness never before achieved by other telescopes. Rumors among professional astronom