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Science

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climate adaptation, Oxygenation, Ordovician Period, Biodiveristy

EMBARGOED

A reporter's PressPass is required to access this story until the embargo expires on 20-Nov-2017 11:00 AM EST

Science

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chromium isotope system, Chromium, cr, chromium isotope, ancient oxygen, atmospheric oxygen, mineral cycles, earth and planetary sciences, Geological Science, geological history, Ligands, organic ligand, Acetate, Oxalate, Citrate, Succinate, hydroxamate, catecholate

A Popular Tool to Trace Earth’s Oxygen History Can Give False Positives

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If someone cries "Eureka!" because it looks like oxygen appeared in Earth's ancient atmosphere long before the body of evidence indicated, consider this: If it was a chromium isotope system reading that caused the enthusiasm, it might need to be curbed.

Science

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SLAC National Accelerator Laboratory, Meteor, Silica, Science, Ultrafast, X-ray science, lightsource, LCLS , Linac Coherent Light Source

Scientists Make First Observations of How a Meteor-Like Shock Turns Silica Into Glass

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Studies at the Department of Energy’s SLAC National Accelerator Laboratory have made the first real-time observations of how silica – an abundant material in the Earth’s crust – easily transforms into a dense glass when hit with a massive shock wave like one generated from a meteor impact.

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Biological and Environmental Research, biological and environmental sciences, Joint Genome Institute, JGI, Emsl, Enzyme, Enzymes, enzymes for biofuels, Biofuels, Biofuel, Biofuel Production, Environmental Molecular Sciences Laboratory, Nature Microbiology, Fungus, Fungi, Genomics, Genetics, genetic, Microbiology, University of California at Santa Barbara, Uni

How Fungal Enzymes Break Down Plant Cell Walls

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Lignocellulose-degrading enzyme complexes could improve biofuel production.

Science

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Material Science, material sciences, Materials Science, Materials Science & Engineering, materials science engineering, Nature Communication, Nature Communications, Materials, 2-D materials, 2-D, Molecular Foundry, LBNL, Berkeley Lab, Lawrence Berekely National Laboratory, University Of California At Berkeley, Thin Film, Thin Films, Films, tungsten diseleni

Stretching to Perfection of 2-D Semiconductors

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Scientists use heat and mismatched surfaces to stretch films that can potentially improve the efficient operation of devices.

Medicine

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Deadly Lung Cancers Are Driven by Multiple Genetic Changes

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A new UC San Francisco–led study challenges the dogma in oncology that most cancers are caused by one dominant “driver” mutation that can be treated in isolation with a single targeted drug.

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Biofuels, Microbiome

To Find New Biofuel Enzymes, It Can Take a Microbial Village

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In search of new plant enzymes? Try looking in compost. Researchers at JBEI have demonstrated the importance of microbial communities as a source of stable enzymes that could be used to convert plants to biofuels. This approach yields robust enzymes that researchers can’t easily obtain from isolates.

Medicine

Science

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Nyu Langone, Dimitry Rinberg, Olfaction, Smell, Odorant, optigenetics, olfactory sense, Scent, sniff cycle, nose

Quick! What's That Smell? Mammal Brains Identify Type of Scent Faster Than Once Thought

It takes less than one-tenth of a second — a fraction of the time previously thought — for the sense of smell to distinguish between one odor and another, new experiments in mice show.

Medicine

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Autism, ASD, Neuroscience

Potential New Autism Drug Shows Promise in Mice

NitroSynapsin is intended to restore an electrical signaling imbalance in the brain found in virtually all forms of autism spectrum disorder (ASD).

Medicine

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Alzheimer's Disease, Neuroscience, Amyloid, Pathology, Aging, Cell Biology

New Player in Alzheimer’s Disease Pathogenesis Identified

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Scientists have shown that a protein called membralin is critical for keeping Alzheimer’s disease pathology in check. The study, published in Nature Communications, shows that membralin regulates the cell’s machinery for producing beta-amyloid (or amyloid beta, Aβ), the protein that causes neurons to die in Alzheimer’s disease.







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