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3-D Models Help Scientists Gauge Flood Impact

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Using one of the world’s most powerful supercomputers—Titan, the 27-petaflop Cray XK7 at the Oak Ridge Leadership Computing Facility (OLCF)—a University of Iowa team performed one of the first highly resolved, 3-D, volume-of-fluid Reynolds-averaged Navier–Stokes (RANS) simulations of a dam break in a natural environment. The simulation allowed the team to map precise water levels for actual flood events over time.

Science

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Climate Change, Supercomputing, earth systems science, Sustainable Agriculture, Climate Modeling

Titan Simulations Show Importance of Close 2-Way Coupling Between Human and Earth Systems

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A new integrated climate model developed by Oak Ridge National Laboratory and other institutions is designed to reduce uncertainties in future climate predictions as it bridges Earth systems with energy and economic models and large-scale human impact data.

Medicine

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Asthma, Epigenetics, Transgenerational Health Risks, Dna Methylation, Gene Expression, Environmental Pollution, Prenatal Health, Pregnancy, Offspring Health

Environmental Pollution Exposure During Pregnancy Increases Asthma Risk for Three Generations

Exposure to environmental pollutants during pregnancy may increase the risk of asthma for as many as three consecutive generations, according to new research.

Science

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Lake Michigan, Freshwater Science, Dna Sequence, Fisheries, Great Lakes

Fund for Lake Michigan Backs University of Wisconsin-Milwaukee Ground-Breaking Study of Aquatic Species

The University of Wisconsin-Milwaukee School of Freshwater Sciences has received a grant to sequence the DNA and analyze the genetic makeup of three key aquatic species, including Yellow Perch and the Green Bay Mayfly. the University of Wisconsin-Milwaukee (UWM) School of Freshwater Sciences to sequence the DNA and analyze the genetic makeup of three aquatic species, including Yellow Perch and the Green Bay Mayfly. The third species to be sequenced may include important fisheries species such as Lake Whitefish, Lake Trout, Northern Pike, or Muskellunge.

Science

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Biological and Environmental Research, biological and environmental sciences, Bioenergy, JBEI, Joint Bioenergy institute, ACS Synthetic Biology, Synthetic Biology, Biology, Enzyme, Enzymes, Nylon, chemical production, Microbes, Microorganism, Microorganisms, Catalysts, lactams, Streptomyces, Manufacturing, Fermentation, Materials, materials and manufacturing, G

Weaving a Fermented Path to Nylons

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Microbial enzymes create precursors of nylon while avoiding harsh chemicals and energy-demanding heat.

Science

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Japanese beetles, Entomology, Invasive Species, invasive animals

Beetle Mania: Japanese Beetles Feasting on Trees, Plants Around Midwest

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Swarms of the insect have descended broadly across the region and that delicate leaf-cutting they practice is making some trees and other plants in the area look as if it’s November rather than mid-July.

Science

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Kansas State University, K-State, KSU, Kansas State, fish, Evolution, Biology, Sexual Selection, Michael Tobler, Tobler

A Tale of Two Fishes: Biologists Find Male, Female Live-Bearing Fish Evolve Differently

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A Kansas State University study has found that male and female live-bearing fish evolve differently: Female evolution is influenced more strongly by natural selection, while male evolution is influenced more strongly by sexual selection.

Science

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DNA, eDNA, David Lodge, Kristy Deiner, Invasive Species, Endanged Species, Genetics, fish

DNA Tracking Tool Tips the Scales for Distinguishing Invasive Fish

Rather than conduct an aquatic roll call with nets to know which fish reside in a particular body of water, scientists can now use DNA fragments suspended in water to catalog invasive or native species.

Science

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Amphibian, Amphibians, Pesticide, Pesticides, Tolerance, pesticide tolerance, Parasites, Biology, Agriculture, animal biology, amphibian populations, animal populations, Stress, wood frogs, Frogs, Evolution, trematode, ranavirus, Pathogen, Ecology, freshwater biology, Biological Science, Binghamton University, SUNY Binghamton, State University of New York at Bing

Amphibians Can Become Tolerant to Pesticides, but at a Cost

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Amphibians can develop tolerance to pesticides, but this tolerance can lead to increased susceptibility to parasites, according to new research from Binghamton University, State University of New York.

Science

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DNA, eDNA

Researchers Improve Method to Identify Aquatic Species Using Environmental DNA

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Research from the University of Notre Dame have improved their method of tracking species by using the biological material those organisms leave behind known as environmental DNA (eDNA).







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