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Dying cells protect their neighbors to maintain tissue integrity

Artistic rendering of dying cells that protect their neighbors to maintain tissue integrity. Holes in epithelium created by uncoordinated cell death are shown in purple. Credit: Institut Pasteur / Léo Valon and Romain Levayer To enable tissue regeneration, human tissue constantly eliminates millions of cells without compromising the integrity, shape, and connection of the tissue. The mechanisms involved in maintaining …

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Thousands of medieval Islamic tombs found in galactic pattern

Thousands of medieval Islamic tombs were found in Kassala in eastern Sudan by an archaeological team. The results were announced on Wednesday. As an introduction, the researchers explain that Sudan is a goldmine for archaeologists, as it is filled with countless burial monumental manifestations of the Nile Valley and its historical civilization. Although we do not know much about burial …

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No, it was not an earthquake SoCal – it was a sound barrier

A day after a magnitude 6.0 earthquake shook northern California, residents of southern California were shot Friday morning. But what some thought was another earthquake turned out to be a sound boom that was recorded around noon. 9.20, according to the US Geological Survey. The explosion of sound energy took place about a mile south of San Dimas, the USGS …

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Forecast for solar storm: Current of solar wind expected to hit the ground on 11 July | Science | News

Greeting from the sun’s corona – the inner atmosphere – the wind can interfere with the earth’s magnetic field and trigger a number of phenomena. Among the weaker influences are colorful aurora effects around the planet’s poles – Aurora Borealis in the north and Aurora Australis in the south. In some cases, however, stronger winds can trigger a geomagnetic storm …

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China’s space agency releases five new images from Mars

The top-secret China National Space Administration released five new images of Mars taken by its Zhurong rover on Friday, including rocks on the surface of Mars and the vehicle’s tire tracks. The first image, taken on June 26, shows the landscape of Mars with what appears to be the surface component detector and climate detector from the rover as it …

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Seeing some cosmic rays can be a matter of perspective

This illustration shows SS 433, a black hole or neutron star as it pulls material away from its accompanying star. The star material forms a disk around SS 433, and some of the material is pushed out into space in the form of two thin rays (pink) moving in opposite directions away from SS 433. Credit: DESY / Science Communication …

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Photos: China shares new photos of Mars taken by Zhurong Rover

Technical 00:55 GMT 10.07.2021Get short URL The rover, named after the Chinese fire god, is used by the Chinese agency to study Mars Earth and atmosphere, take pictures, create maps and search for water and evidence of past lives. The rover is equipped with a variety of equipment and can communicate with Earth via the Tianwen-1 circuit’s “high-speed data relay.” …

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The Last Journey with NASA’s Space Shuttle: Looking back on Atlantis’ last mission 10 years later

NASA’s last spaceship mission launched 10 years ago this week hardly happened. The mission with the space shuttle Atlantis, called STS-135, launched on July 8, 2011. It was originally planned as a backup flight and not officially approved in NASA’s budget until January 2011, just six months before launch. The tight schedule caused a bit of a distortion for Atlantis’ …

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