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By U.S. Department of Energy February 14, 2022 The Sun is an enormous ball of burning plasma involving a fusion reaction known as the proton-proton chain. In the core of the Sun, self-heating of hydrogen ions (protons) sustains the temperature of the ions above the level required for fusion to …

This artist’s impression depicts the formation of a galaxy cluster in the early Universe. The galaxies are vigorously forming new stars and interacting with each other. Such a scene closely resembles the Spiderweb Galaxy (formally known as MRC 1138-262) and its surroundings, which is one of the best-studied protoclusters. Credit: …

By ESA/Hubble February 13, 2022 Hubble Space Telescope image of IC 2431, which appears to be a triple galaxy merger in progress, as well as a tumultuous mixture of star formation and tidal distortions caused by the gravitational interactions of this galactic trio. Credit: ESA/Hubble & NASA, W. Keel, Dark …

CT scan of patient’s lungs showing COVID-19 damage in red. Credit: Gerlig Widmann and team, Department of Radiology, Medical University of Innsbruck An FDA-approved drug that has been in clinical use for more than 70 years may protect against lung injury and the risk of blood clots in severe COVID-19 …

Today, sea cows are only found in tropical waters. Credit: Colourbox Giants of the Ice Age: International research team on molecular trail. The giant sea cow from the Ice Age was discovered in 1741 by Georg Wilhelm Steller and later named after him. The 18th-century naturalist was interested not only …

A study by the University of Bonn: Observations fit poorly with the Standard Model of Cosmology. The Standard Model of Cosmology describes how the universe came into being according to the view of most physicists. Researchers at the University of Bonn have now studied the evolution of galaxies within this …

Understanding the underlying causes of obesity and how to prevent it is the best way to fight the obesity epidemic, according to Esra Tasali, MD, Director of the UChicago Sleep Center at the University of Chicago Medicine. “The current obesity epidemic, according to experts, is mostly explained by an increase …

By Washington University in St. Louis February 13, 2022 Cardiovascular care essential part of post-infection care. An in-depth analysis of federal health data indicates that people who have had COVID-19 are at increased risk of developing cardiovascular complications within the first month to a year after infection. Such complications include …