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Chicxulub Asteroid

Chicxulub Asteroid Caused End-Cretaceous Mass Extinction, New Study Confirms The end-Cretaceous mass extinction 66 million years ago eradicated roughly 75% of the animal and plant species on Earth, including whole groups like non-avian dinosaurs and ammonites. Debate lingers over what caused this extinction, with intense volcanic activity in India’s Deccan …

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Exposed Planetary Core

Astronomers Have Discovered the First Exposed Planetary Core Most of what we know about planetary cores is conjecture, on account of the fact that we live on top of ours and have extremely limited access to all of the others. Since none of the planets whizzing around our own star …

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A Rare Ultra Bright Star

A Rare, Ultra-Bright Star Has Disappeared Without a Trace Stars can do a lot of things. They can get warmer, expand, explode, and even collapse into a black hole. They can not, as a rule, simply disappear. However, that’s what appears to have happened to an ultra-bright star in the …

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4 Charm Quark Particle

CERN Physicists Discover Four-Charm-Quark Particle   Physicists from CERN’s LHCb Collaboration have discovered a new tetraquark particle, named X(6900), composed of two charm quarks and two charm antiquarks. X(6900), a tetraquark particle composed of two charm quarks and two charm antiquarks. Image credit: CERN. Quarks are point-like elementary particles that …

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Lunar Subsurface

Lunar Subsurface May Be Richer in Metals than Previously Thought Using data from the Miniature Radio Frequency (Mini-RF) instrument onboard NASA’s Lunar Reconnaissance Orbiter (LRO), a team of U.S. researchers has characterized the dust found at the bottom of the Moon’s craters and found evidence that the lunar subsurface might …

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Caecilian Amphibians

Researchers Find Snake-Like Venom Glands in Caecilian Amphibians A team of scientists from Brazil and the United States has found the specialized oral glands in the jaws of the ringed caecilian (Siphonops annulatus), a snake-shaped amphibian related to frogs and salamanders. The ringed caecilian (Siphonops annulatus). Image credit: Carlos Jared. …

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Branched Flow of Light

Physicists Observe Branched Flow of Light Physicists from the Technion-Israel Institute of Technology and the University of Central Florida have experimentally observed optical branched flow in liquid soap films. Branched flow pattern shown on top of the interference color pattern generated by weak white light, making it possible to observe …

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Two Super Earths Orbiting

Astronomers Find Two Super-Earths Orbiting Nearby Red Dwarf The hard work of astronomers around the world using instruments like the Kepler Space Telescope has shown there’s no shortage of planets in the cosmos. Most of those exoplanets are far away, but a handful are right next door (on an astronomical …

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Giant Wombat In Australia

Giant Wombat-Like Marsupials Roamed Australia 25 Million Years Ago Paleontologists have identified a giant wombat-like marsupial that lived 25 million years ago (Oligocene epoch) in what is now Australia. Named Mukupirna nambensis, the prehistoric creature was at least five times larger than living wombats and so different that the researchers …

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9,500 Years In Siberia

Sled Dogs Emerged Over 9,500 Years Ago in Siberia: Study An international team of researchers has sequenced the genomes of 10 modern sled dogs, an ancient sled dog and an ancient wolf, both from Siberia, and analyzed their genetic relationships with other modern dogs. They’ve found that sled dogs represent …

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