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Deepest Oceanic Trenches

Scientists Find Anthropogenic Mercury in Earth’s Deepest Oceanic Trenches Two teams of marine biologists have found methylmercury, a potent toxin that bioaccumulates in marine food webs, in sediments and endemic fauna from Mariana, Yap and Kermadec trenches in the Pacific Ocean. A snailfish (bottom left) and small amphipods (center) at …

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Newborn Pluto Subsurface

Was Hot and Had Subsurface Ocean: Study Pluto is thought to possess a subsurface ocean beneath its thick ice shell. It has generally been assumed that the dwarf planet formed out of cold material and then later developed its ocean due to warming from radioactive decay. By combining numerical simulations …

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Antarctica Marine Reptile

Paleontologists Find Giant Soft-Shelled Egg of Cretaceous-Period Marine Reptile in Antarctica A giant fossilized egg of an extinct marine reptile has been found in the 68-million-year-old nearshore marine deposits in Antarctica. An artist’s rendering of a pair of mosasaurs and their egg. Image credit: Francisco Hueichaleo. Named Antarcticoolithus bradyi, the …

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Soft Dinosaurs Eggs

Eggs of Earliest Dinosaurs Had Soft, Leathery Shells A team of paleontologists from the United States, Canada and Argentina has analyzed the fossilized eggs of two different non-avian dinosaurs, Protoceratops and Mussaurus, and found that the eggs resembled those of turtles in their microstructure, composition, and mechanical properties. They’ve also …

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Physicists Find Quark

Physicists Find Strong Evidence of Four-Top Quark Production Physicists from the ATLAS Collaboration CERN’s Large Hadron Collider have uncovered strong evidence of the production of four top quarks. This rare process is expected to occur only once for every 70,000 pairs of top quarks created at the Large Hadron Collider. …

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Martian Atmosphere?

ESA’s Trace Gas Orbiter Detects Glowing Oxygen Using data from the NOMAD (Nadir and Occultation for Mars Discovery) ultraviolet and visible spectrometer instrument on board ESA’s ExoMars Trace Gas Orbiter (TGO), a team of researchers has detected green line dayglow emission in the atmosphere of Mars. An artist’s impression of …

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Reindeer Domestication

Earliest Evidence of Reindeer Domestication Found in Arctic Siberia An international team of archeologists has unearthed numerous L-shaped barbed antler objects at three early sites — Ust’-Polui, Tiutei-Sale I, and Iarte VI — in the Yamal region of Arctic Siberia. With help from contemporary Indigenous Nenets reindeer herders, the researchers …

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Eerie Green Glow

Astronomers Detect Eerie Green Glow on Mars for the First Time The red planet is looking a bit less red today, but that might be a good thing. European Space Agency (ESA) scientists operating the Trace Gas Orbiter (TGO) have snapped a photo of Mars with an eerie green glow …

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Diamond Frog Discovered

New Species of Diamond Frog Discovered in Madagascar German herpetologist Mark Scherz has discovered a new species of diamond frog living in northern Madagascar. Rhombophryne ellae. Image credit: Mark Scherz. The diamond frogs belong to Rhombophryne, a genus of microhylid frogs in the subfamily Cophylinae. More than 20 species are …

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Martian Surface

Curiosity Spots Earth and Venus from Curiosity Spots Earth and Venus from The Mast Camera (Mastcam) onboard NASA’s Mars rover Curiosity has captured new images of Earth and Venus as seen from the surface of the Red Planet. Two images of the night sky were combined to show Earth and …

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