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DOE/Fermi National Accelerator Laboratory Shown here is the elliptical galaxy NGC 474 with star shells. Elliptical galaxies are characterized by their relatively smooth appearance as compared with spiral galaxies, one of which is to the left of NGC 474, which is oriented with South to the top and West to the left. The colorful neighboring spiral (NGC 470) has characteristic flocculent structure interwoven with dust lanes and spiral arms. NGC 474 is at a distance of about 31 megaparsecs (100 million light-years) from the sun in the constellation of Pisces. The region surrounding NGC 474 shows ...

  One early result of the ongoing Dark Energy Survey is the previously untold story revealed by old, giant RR Lyrae pulsating stars, which tell scientists about the region of space beyond the edge of our Milky Way. In this area nearly devoid of stars–the motion of the RR Lyrae stars hints at the presence of an enormous halo of invisible dark matter, which may provide clues to how our galaxy evolved over the last 12 billion years. One of the Biggest Mysteries in Science Dark matter, one of the enduring mysteries in science, is “dark” in the sense that it doesn’t emit radiation or hard...

IMAGE:  Elliptical galaxies are generally characterized by their relatively smooth appearance when compared with spiral galaxies (one of which is to the left) which have more flocculent structure interwoven with dust... view more  Credit: DES/CTIO/NOIRLab/NSF/DOE/AURA Acknowledgments: Image processing: DES, Jen Miller (Gemini Observatory/NSF's NOIRLab), Travis Rector (University of Alaska Anchorage), Mahdi Zamani & Davide de Martin The Dark Energy Survey has released a massive, public collection of astronomical data and calibrated images from six years of work. Containing data on nearl...

Gene biomarkers indicate liver toxicity quickly, accurately ANI | Updated: Dec 19, 2020 23:53 IST Washington [US], December 19 (ANI): A research team at the University of Illinois has developed a gene biomarker identification technique that cuts the testing process down to a few days while maintaining a high level of accuracy. "The aim of this research was to identify the smallest set of indicators from the liver to predict toxicity and potential liver cancer," said Zeynep Madak-Erdogan, associate professor in the Department of Food Science and Human Nutr...

Study identifies biomarker gene signature that indicates potential liver toxicity When agrochemical and pharmaceutical companies develop new products, they must test extensively for potential toxicity before obtaining regulatory approval. This testing usually involves lengthy and expensive animal studies. A research team at University of Illinois has developed a gene biomarker identification technique that cuts the testing process down to a few days while maintaining a high level of accuracy. The aim of this research was to identify the smallest set of indicators from the liver to predict tox...