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Evolution and Darwin

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Yale Linguists Explore the Evolution of Color in New Study

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The naming of colors has long been a topic of interest in the study of human culture and cognition — revealing the link between perception, language, and the categorization of the natural world. A major question in the study of both anthropology and cognitive science is why the world’s languages show recurrent similarities in color naming. Linguists at Yale tracked the evolution of color terms across a large language tree in Australia in order to trace the history of these systems.

Science

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Paleontology, Tumor, Fossil, Evolution, Disease, tooth, synapsid, Mammal

Fossilized Evidence of a Tumor in a 255-Million-Year-Old Mammal Forerunner

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Paleontologists at the University of Washington report that an extinct mammal relative harbored a benign tumor made up of miniature, tooth-like structures. The tumor, a compound odontoma, is common to mammals today. But this animal lived 255 million years ago, before mammals even existed.

Science

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Paleontology, Mammals, Evolution, Marsupials

New Study Traces the Origins of Marsupials in N. America, Find Mammals During Age of Dinosaurs Packed a Powerful Bite

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A new study by Burke Museum and University of Washington paleontologists describes an early marsupial relative called Didelphodon vorax that lived alongside ferocious dinosaurs and had, pound-for-pound, the strongest bite force of any mammal ever recorded.

Science

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Bethlehem Star May Not Be a Star After All, The "Eye" of Majoranas, Cloud in a Box, and MORE in the Physics News Source Sponsored by AIP

Click here to go directly to the Physics News Source Sponsored by AIP.

Science

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Lucy, Australopithecus afarensis

Bone Scans Suggest Early Hominin "Lucy" Spent Significant Time in Trees

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Australopithecus afarensis arm bones were strong relative to leg bones; walking gait was likely inefficient

Science

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Lucy, Bones, Ancestor, Christopher Ruff, Skeleton

Human Ancestor 'Lucy' Was a Tree Climber, New Evidence Suggests

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Since the discovery of the fossil dubbed Lucy 42 years ago this month, paleontologists have debated whether the 3 million-year-old human ancestor spent all of her time walking on the ground or instead combined walking with frequent tree climbing.

Science

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Zahavi’s handicap principle, Natural Selection, Sexual Selection, Evolution, Biology, ornamentation

Study Explains Evolution Phenomenon That Puzzled Darwin

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Why do some animals have extravagant, showy ornaments -- think deer antlers, peacock feathers and horns on beetles -- that can be a liability to survival? Northwestern University researchers have a possible explanation for this puzzling phenomenon of evolution.

Science

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Microbes, Microbiome, Evolution, Nasonia wasp, deer mice, Mosquito, Drosophila, Great Ape, Phylosymbiosis, Microbiota

Each Animal Species Hosts a Unique Microbial Community and Benefits From It

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A laboratory study of four animal species and their microbiota finds that each species hosts a unique community of microbes that can significantly improve its health and fitness.

Medicine

Life

Social and Behavioral Sciences

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How Does the Brain of People Who Do Not Like Music Work?

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A new study explains brain mechanisms associated to the lack of sensitivity to music.

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Autism and Human Evolutionary Success

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A subtle change occurred in our evolutionary history 100,000 years ago which allowed people who thought and behaved differently - such as individuals with autism - to be integrated into society, academics from the University of York have concluded.

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Scientists Uncover Genetic Evidence That 'We Are What We Eat'

Researchers at the University of Oxford have demonstrated that the diets of organisms can affect the DNA sequences of their genes.

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Climate Change Already Dramatically Disrupting All Elements of Nature, Three New Bird Species Discovered in Africa, The Fastest Flyer in the Animal Kingdom, and More in the Wildlife News Source

The latest research and features on Animals in the Wildlife News Source

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Brazilian Free-Tailed Bat Is the Fastest Flyer in the Animal Kingdom

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Bats are not just skillful aviators, they can also reach record-breaking speeds.

Science

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Evolution Purged Many Neanderthal Genes From Modern Humans

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Larger populations allowed humans to shed weakly deleterious gene variants that were widespread in Neanderthals.

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Greenland Fossils Help Show Recovery After Mass Extinction Event 252 Million Years Ago

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A new study published in Scientific Reports shows how higher latitude ecosystems recovered after the World's most cataclysmic extinction event 252 million years ago.

Science

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Bio Diversity, Biology, Evolution

New Species of Extremely Leggy Millipede Discovered in a Cave in California

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The new millipede also has bizarre-looking mouthparts of a mysterious function, four legs that are modified into penises, a body covered in long silk-secreting hairs, and paired nozzles on each of its over 100 segments that squirt a defense chemical of an unknown nature.

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Different Species Find Different Genetic Paths to Achieve Same Evolutionary Change

Studying Andean bird species that have adapted to high altitudes, Nebraska biologist Jay Storz and his colleagues find that evolutionary change at the molecular level is idiosyncratic and less predictable.

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Study Finds Earliest Evidence in Fossil Record for Right-Handedness

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Teeth striations of Homo habilis fossil date back 1.8 million years.

Science

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European bison, Evolution, Ancient Dna, cave art, Ice Age

The Higgs Bison – Mystery Species Hidden in Cave Art

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Ancient DNA research has revealed that Ice Age cave artists recorded a previously unknown hybrid species of bison and cattle in great detail on cave walls more than 15,000 years ago.

Science

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mastadon, Paleontology, Evolution, Science Education

U-M-Led Team Recovers 'Most Complete Michigan Mastodon Skeleton in Many Decades' From Thumb Site

The most complete ice age mastodon skeleton found in Michigan since the 1940s was recovered this month from the state's Thumb region by a University of Michigan-led team that included Tuscola County teachers who volunteered for the dig.







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