Hanan Kalaz

ESO observations help almost fully rule out 2024 YR4 asteroid impact

New observations of 2024 YR4 conducted with the European Southern Observatory’s Very Large Telescope (ESO’s VLT) and facilities around the world have all but ruled out an impact of the asteroid with our planet. The asteroid has been closely monitored in the past couple of months as its odds of impacting Earth in 2032 rose […]

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Longest-runout undersea sediment flows analyzed in unprecedented detail

An international team of researchers has successfully captured the internal structure of the longest-runout sediment flow ever recorded on Earth. Using seismic measurements, the researchers have for the first time been able to analyze in detail the internal structure of these tens to hundreds of kilometers long turbidity currents — an oceanographic phenomenon that has

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A new model accurately predicts the movement of elite athletes to catch the ball in parabolic flight

How does a tennis player like Carlos Alcaraz decide where to run to return Novak Djokovic’s ball by just looking at the ball’s initial position? These behaviours, so common in elite athletes, are difficult to explain with current computational models, which assume that the players must continuously follow the ball with their eyes. Now, researchers

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Research reveals potential alternatives to ‘forever chemicals’

Per- and polyfluoroalkyl substances (PFAS) are known as forever chemicals because of their extreme persistence. These compounds have useful properties including durability and waterproofing, so they’re commonly used in consumer products like food packaging and cosmetics, as well as industrial processes. But PFAS’ potential negative impacts on human health are driving the search for potentially

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From waste to wonder: Revolutionary green grout for sustainable construction practices

Grouting is a widely used construction technique that involves injecting stabilizing materials into soil to ensure structural stability, which is especially beneficial in earthquake-prone regions. Now, scientists have developed an innovative, carbon-neutral grout made from waste fluids of geothermal energy harvesting systems. Their new material shows a 50% increase in liquefaction resistance compared to conventional

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Today’s forecast: Partially cloudy skies on an ‘ultra-hot Neptune’

Using the James Webb Space Telescope, astronomers investigate the extreme weather patterns and atmospheric properties of exoplanet LTT 9779 b. New JWST observations with NIRISS reveal a dynamic atmosphere: powerful winds sweep around the planet, shaping mineral clouds as they condense into a bright, white arc on the slightly cooler western side of the dayside.

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The galactic journey of our solar system

Astronomers have discovered that the Solar System traversed the Orion star-forming complex, a component of the Radcliffe Wave galactic structure, approximately 14 million years ago. This journey through a dense region of space could have compressed the heliosphere, the protective bubble surrounding our solar system, and increased the influx of interstellar dust, potentially influencing Earth’s

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