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Evolution and Darwin

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Archaeology, Australia, Anthropology

Artifacts Suggest Humans Arrived in Australia Earlier Than Thought

A team of researchers, including a faculty member and seven students from the University of Washington, has found and dated artifacts in northern Australia that indicate humans arrived there about 65,000 years ago — more than 10,000 years earlier than previously thought.

Science

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Dogs, Reseach, Animals

Study Reveals Origin of Modern Dog Has a Single Geographic Origin

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By analyzing the DNA of two prehistoric dogs from Germany, an international research team led by Krishna R. Veeramah, PhD, Assistant Professor of Ecology & Evolution in the College of Arts & Sciences at Stony Brook University, has determined that their genomes were the probable ancestors of modern European dogs. The finding, to be published in Nature Communications, suggests a single domestication event of modern dogs from a population of gray wolves that occurred between 20,000 and 40,000 years ago.

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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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.

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New Analysis of Rare Argentinian Rat Unlocks Origin of the Largest Mammalian Genome

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New biological information gleaned from the red vizcacha rat, a native species of Argentina, demonstrates how genomes can rapidly change in size. Researchers from McMaster University set out to study this particular species because its genome, or its complete set of DNA, is the largest of all mammals, and appears to have increased in size very rapidly.

Life

Social and Behavioral Sciences

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Archaeology, phenomenology, GIS techology, Chaco Canyon , Pueblo Bonito, Sound, landscape studies, Hearing

Archaeologists Put Sound Back Into a Previously Silent Past

Many attempts to explain how past people experienced their wider world have focused on sight at the expense of sound, but researchers from the University at Albany and the University at Buffalo have developed a tool that puts sound back into the ancient landscape.

Science

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Paleontology, Evolution Biology, Crocodilians, T. rex, Madagascar, Jurassic

Gigantic Crocodile with T. Rex Teeth Was a Top Land Predator of the Jurassic in Madagascar

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Little is known about the origin and early evolution of the Notosuchia, hitherto unknown in the Jurassic period. New research on fossils from Madagascar, published in the peer-reviewed journal PeerJ by Italian and French paleontologists, begin to fill the gap in a million-year-long ghost lineage.

Science

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Baleen, Marine Biology, Evolution, Paleontology, NYIT College of Ostepathic Medicine, Whales

Ancient Fossils Suggest Whales Used Teeth to Filter Out Prey

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How baleen whales became filter feeders is widely debated among scientists—but now anatomy researchers at NYIT College of Osteopathic Medicine may finally solve this mystery.

Science

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Evolution Biology, Taxonomy, Parrots, Biodiveristy, Zoology

The Blue-Winged Amazon: A New Parrot Species From the Yucatán Peninsula

In 2014, during a visit to a remote part of the Yucatán Peninsula in Mexico, ornithologist Dr. Miguel A. Gómez Garza came across parrots with a completely different colour pattern from other known species. A study published today in the open-access journal PeerJ names these birds as a new species.

Science

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Sociality, Altruism, Cooperative Breeding, Babysitting

How Did Bird Babysitting Co-Ops Evolve?

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It's easy to make up a story to explain an evolved trait; proving that's what happened is much harder. Here scientists test ideas about cooperative breeding in birds and find a solution that resolves earlier disagreements.







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