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Well-Preserved Fossil of Jurassic-Period Shark Unearthed in Germany

An international team of paleontologists from Austria and Switzerland has uncovered an exceptionally well-preserved skeleton of Asteracanthus ornatissimus, a species of hybodontiform shark that lived about 150 million years ago (Jurassic period), in the famous limestones of Solnhofen in Germany. ...

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Hubble Observes Young Supernova Remnant in Small Magellanic Cloud

A massive star exploded in the Small Magellanic Cloud between 2,000 and 1,000 years ago and left behind an expanding, gaseous remnant called 1E 0102.2-7219. By using the NASA/ESA Hubble Space Telescope, astronomers retraced the speedy shrapnel from the stellar ...

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Dire Wolves Split from Living Canids 5.7 Million Years Ago: Study

Dire wolves (Canis dirus) are considered to be one of the most common and widespread large carnivores in Pleistocene America, yet relatively little is known about their evolution or extinction. Previous analyses, based on morphology alone, had led scientists to ...

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Astronomers Discover 38 New Cool Brown Dwarfs in Solar Neighborhood

Astronomers and citizen scientists from the Backyard Worlds: Planet 9 project have announced an unprecedented census of 525 L, T, and Y-type dwarfs within 65 light-years of the Sun, including 38 new discoveries. By determining the distances to all the ...

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Researchers Put Ukraine on Global Genome Map

People of Ukraine carry many previously known and several novel genetic variants with clinical and functional importance that in many cases show allele frequencies different from neighboring populations in the rest of Europe, according to an analysis of genome-wide data ...

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Astronomers Discover Most Distant Quasar Yet

The newly-discovered quasar is located approximately 13.03 billion light-years away from Earth. Designated J031343.84-180636.4 (J0313-1806 for short), the object is 1,000 times more luminous than the Milky Way and is powered by a supermassive black hole more than 1.6 billion ...

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45,500-Year-Old Sulawesi Warty Pig Painting Found in Indonesian Cave

A team of archaeologists from Australia and Indonesia has discovered two figurative paintings of the Sulawesi warty pig (Sus celebensis) — a species of small (40 to 85 kg), short-legged pig with characteristic facial warts — in Leang Tedongnge and ...

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Spectacular New Species of Bat Discovered in Guinea

An international team of researchers has discovered a new dichromatic species of bat in the Guinean Nimba Mountains belonging in the genus Myotis. Myotis is the most speciose genus of bats with over 120 living species and a range that ...

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Researchers Visualize Quadruple-Helix DNA in Living Human Cells

A team of scientists from the United Kingdom and Spain has demonstrated that a technique called fluorescence lifetime imaging microscopy in conjunction with a fluorescent probe can identify four-stranded ‘quadruple helix’ DNA structures within nuclei of live cells. Guanine-rich sequences ...

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Astronomers Find Periodically Flaring Black Hole in Distant Galaxy

An active galactic nucleus in the center of ESO 253-G003, an active galaxy over 570 million light-years away in the southern constellation of Pictor, erupts roughly every 114 days, according to a paper to be published in the Astrophysical Journal. ...

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