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Paleontology

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Medicine

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Ut Southwestern, Neurodegenative Disease, Cryo Electron Microscopy, Biology

First Atomic Structure From UTSW’s Cryo-EM Facility

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UT Southwestern Medical Center researchers today published a 3-D atomic structure of the ion channel found in mammals that is implicated in a rare, inherited neurodegenerative disease in humans.

Science

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Sdsc, Uc San Diego, CIPRES, NSF, Phylogenetics, xsede, Tree Of Life

Exploring Evolutionary Relationships Through CIPRES

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CIPRES, for CyberInfrastructure for Phylogenetic RESearch, is a web-based portal or “gateway” launched at the San Diego Supercomputer Center (SDSC) at UC San Diego that allows researchers to explore evolutionary connections among species using supercomputers provided by the National Science Foundation’s (NSF’s) XSEDE (eXtreme Science and Engineering Discovery Environment) project.

Science

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Salamander, paleantology

Ancient Petrified Salamander Reveals Its Last Meal

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A new study on an exceptionally preserved salamander from the Eocene of France reveals that its soft organs are conserved under its skin and bones. Organs preserved in three dimensions include the lung, nerves, gut, and within it, the last meal of the animal, according to a study published in the peer-reviewed journal PeerJ.

Science

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Thylacine, Tasmanian Tiger, Extinction, Ancient Dna

Mapping the Thylacine’s Mysterious Loss From Mainland

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Ancient DNA extracted from fossil bones and museum specimens has shed new light on the mysterious loss of the Tasmanian tiger (thylacine) from Australia’s mainland.

Science

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Africa, Ancient Dna, Genetic Analysis

Long-Awaited Landscape

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The first large-scale study of ancient human DNA from sub-Saharan Africa opens a long-awaited window into the identity of prehistoric populations in the region and how they moved around and replaced one another over the past 8,000 years.

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Find the Expert You Need in the Newswise Expert Directory

Need an expert in a hurry? Need to pitch an expert in a hurry? Find experts and manage your experts in the Newswise Expert Directory. Our database of experts is growing daily. Search by institution, name, subject, keywords, and place.

Science

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Birds, Evolution, Mass Extinction, Lab of Ornithology

Dino-Killing Asteroid's Impact on Bird Evolution

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Human activities could change the pace of evolution, similar to what occurred 66 million years ago when a giant asteroid wiped out the dinosaurs, leaving modern birds as their only descendants. That's one conclusion drawn by the authors of a new study published in Systematic Biology.

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Big Herbivorous Dinosaurs Ate Crustaceans as Side Dish

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Some big plant-eating dinosaurs roaming present-day Utah some 75 million years ago were slurping up crustaceans on the side, a behavior that may have been tied to reproductive activities, says a new University of Colorado Boulder study.  

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Dogs, Wolves, Fossils, Domestication

3-D Analysis of Dog Fossils Sheds Light on Domestication Debate

In an effort to settle the debate about the origin of dog domestication, a technique that uses 3-D scans of fossils is helping researchers determine the difference between dogs and wolves.

Medicine

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Evolution, Genetics, lncRNAs , Regulatory Gene, Protein Coding, Ulitsky

Genomic Recycling: Ancestral Genes Take On New Roles

Dr. Igor Ulitsky has found that ancient genes that lost their ability to make proteins were “recycled,” surviving across millennia – and species – by evolving to produce a type of RNA that regulates major biological processes. His findings could lead to treatments for a number of genetic diseases.







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