Evolution Current Events | Page 25

Evolution Current Events, Evolution News Articles.
Sort By: Most Viewed | Most Recent
Page 25 of 25 | 1000 Results
New study sheds light on the functional importance of dinosaur beaks
Why beaks evolved in some theropod dinosaurs and what their function might have been is the subject of new research by an international team of palaeontologists published this week in Proceedings of the National Academy of Sciences. (2013-12-02)

Genome sequencing shows spiders, scorpions share ancestor
Researchers have discovered a whole genome duplication during the evolution of spiders and scorpions. (2017-08-01)

Chimpanzee study reveals genome variation hotspots
An international team of researchers, including a graduate student and an associate professor from Arizona State University, have found that chimpanzees have many copy number variants in the same regions of the genome as do humans. This relatively new area of research is the first time this has been investigated on a genome-wide scale in a population sample of nonhuman primates. The findings are published May 15 in the PNAS online early edition. (2006-05-16)

New study has important implications for flu surveillance
Researchers are reporting the results of a study that dramatically alters the existing understanding of how the influenza virus evolves. The findings could have important implications for monitoring changes to the virus and predicting which strains should be used for flu vaccine. (2006-10-26)

Darwin's Time Machine: Scientists begin predicting evolution's next step
Untangling the branches of evolution?s past is a daunting enough task for researchers, but some scientists are now turning their eyes toward the future in a bid to predict evolution?s course. Barry G. Hall, professor of biology at the University of Rochester, has shown how a model of evolution developed in the lab accurately reproduces natural evolution. (2002-03-19)

New evidence of dinosaurs' role in the evolution of bird flight
A new study looking at the structure of feathers in bird-like dinosaurs has shed light on one of nature's most remarkable inventions -- how flight might have evolved. (2012-11-21)

Study on the evolution of plant reproduction receives 2.6 million euros
A European and US consortium coordinated by Jorg Becker, group leader at the Instituto Gulbenkian de Ciencia, has now received funding of 2.6 million euros to study the evolution of sexual reproduction in plants. The project is funded under the scope of ERA-CAPS, a European network dedicated to support research activities in Plant Sciences. This study will allow the identification of genes useful to the agricultural industry, with the aim of improving the reproduction of crop species, and ultimately to increase their yield. (2015-07-02)

The telltale heart of chordate evolution: Study shows model organism making do with less
A new study proves once more that evolution does not always imply more complexity or more genes in living beings. The planktonic organism Oikopleura dioica, an animal model in the study of evolution and embryonic development in vertebrates (the taxonomic phylum known as chordates), has lost most of the genes related to retinoic acid metabolism -- a molecule thought to be vital to vertebrate physiology and embryonic development. (2016-07-12)

'Chimpanzees of a feather sit together': Friendships are based on homophily in personality
Like humans, many animals have close and stable friendships. However, until now, it has been unclear what makes particular individuals bond. Cognitive Biologists of the University of Vienna, Austria, and the University of Zurich, Switzerland, explored that chimpanzees choose their friends as to be similar in personality. The results of this study appear in the scientific journal (2013-10-09)

New magma pathways after giant lateral volcano collapses
Giant lateral collapses are huge landslides occurring at the flanks of a volcano. Such collapses are rather common events during the evolution of a large volcanic edifice, often with dramatic consequences such as tsunami and volcano explosions. These catastrophic events interact with the magmatic activity of the volcano, as a new research by scientists of GFZ German Research Centre for Geosciences in Nature Communications suggests. (2017-10-23)

Evolutionary mode routinely varies amongst morphological traits within fossil species lineages
This new study uses model selection methods available only in the last several years and is an excellent example of an emerging revolution in scientific inquiry as new techniques are used to breathe new life into old data. (2012-11-26)

Natural selection's fingerprint identified on fruit fly evolution
Researchers at the University of Rochester have produced compelling evidence of how the hand of natural selection caused one species of fruit fly to split into two more than 2 million years ago. The study answers one of evolutionary biologists' most basic questions--how do species divide--by looking at the very DNA responsible for the division. (2003-06-12)

Going batty for jumping DNA as a cause of species diversity
The vesper bats are the largest and best-known common family of bats. Authors Ray et al., wanted to get at the root cause of this diversity by taking advantage of two vesper bat species whose genomes have recently been sequenced. They speculated that one cause of this diversity might be jumping elements in the genome, called DNA transposons, which are more active and recent in the evolutionary history of this family than any other mammal. (2014-04-01)

Ultra-small hollow alloy nanoparticles for synergistic hydrogen evolution catalysis
The ultra-small hollow ternary alloy PtNiCu, PtCoCu and CuNiCo nanoparticles were prepared via an effective and simple one-pot strategy. Due to moderately synergistic interactions between the three metals of Pt, Ni, Cu and H*, the hollow PtNiCu nanoparticles showed the excellent hydrogen evolution reaction (HER) performance. In alkaline electrolyte, the overpotential at 10 mA cm-2 is 28 mV versus RHE. Its mass activity is 5.62-fold higher than that of commercial Pt/C system. (2020-10-28)

How did we get 4 limbs? Because we have a belly
All of us backboned animals have four fins or limbs, one pair in front and one pair behind. How did our earliest ancestors settle into such a consistent arrangement of two pairs of appendages? Researchers in the Theoretical Biology Department at the University of Vienna and the Konrad Lorenz Institute for Evolution and Cognition Research have presented a new model for approaching this question in the current issue of the journal Evolution & Development. (2014-01-27)

Could less deadly therapies be a better way to keep cancer in check?
While many cancer therapies initially can be very successful, tumors often return and spread when remaining cancer cells develop resistance to treatment. To combat this tendency, Frédéric Thomas of the French National Centre for Scientific Research proposes that cancer researchers take a lesson from our own immune system and explore 'natural adaptive therapies.' Such an approach would mimic the immune system's more restrained way of keeping cancer in check by gradually killing off cancerous cells. (2018-10-02)

Rafting rodents from Africa may have been ancestors of South American species
Forty million years ago, rodents from Africa may have colonized South America by rafting or swimming across the Atlantic, Texas A&M University biologists theorize by studying the evolution of rodents, looking at their genes instead of their fossils - an approach that promises to revolutionize the field of evolutionary biology. (2001-10-11)

Why fruit fly sperm are giant
The fruit fly Drosophila bifurca is only a few millimeters in size but produces almost six centimeters long sperm. Researchers led by the University of Zurich provide the first explanation for the evolution of such giant sperm. Larger sperm are able to displace their smaller competitors from the female reproductive tract -- a competitive advantage in fertilizing the eggs. Female promiscuity increases the fertilization success by larger males, which can produce more of the longer sperm. (2016-05-25)

How cancer-causing papillomaviruses evolved
Cancer-causing human papillomaviruses (HPVs) diverged from their most recent common ancestors approximately half a million years ago, roughly coinciding with the timing of the split between archaic Neanderthals and modern Homo sapiens, according to a study published Nov. 1 in the open-access journal PLOS Pathogens by Zigui Chen of the Chinese University of Hong Kong, Robert Burk of the Albert Einstein College of Medicine, and colleagues. (2018-11-01)

Tool use is 'innate' in chimpanzees but not bonobos, their closest evolutionary relative
First evidence for a species difference in the innate predisposition for tool use in our closest evolutionary cousins could provide insight into how humans became the ultimate tool-using ape. (2015-06-16)

Fluid dynamics may play key role in evolution of cooperation
In a new study, physicists at the University of Notre Dame examined how the mechanical properties of an environment may shape the social evolution of microbial populations. (2018-05-22)

Researchers solve fish evolution mystery
The rapid evolution of Africa's Lake Victoria cichlids -- brightly colored, perch-like fish -- was facilitated by earlier hybridization between two distantly related cichlid species from the Upper Nile and Congo drainage systems. (2017-02-10)

The eyes have it: Dinosaurs hunted by night
The movie Jurassic Park got one thing right: those velociraptors hunted by night while the big plant-eaters browsed around the clock, according to a new study of the eyes of fossil animals. (2011-04-14)

Scientists uncover the antigenic patterns of the recent influenza A (H3N2) virus
The human influenza A (H3N2) virus was widespread in many countries in the 2014-2015 winter season, causing more morbidity and mortality. Through an antigenic modeling, it was discovered that the recent H3N2 viruses constitute two distinct antigenic clusters, which may account for its disease burden in the 2014-2015 winter season. (2015-08-30)

Evolution of taste receptor may have shaped human sensitivity to toxic compounds
Researchers have found new evidence suggesting that the ability to taste bitter compounds has been strongly advantageous in human evolution. Animals rely on chemical perception, including the senses of taste and smell, for protection against the harmful compounds found in nature. It is widely believed that behavioral and dietary choices may have reduced the importance of such chemical perception in higher primates, and particularly in humans. (2005-07-25)

West-Eberhard elected to the Italian Accademia Nazionale dei Lincei
Mary-Jane West Eberhard, biologist at the Smithsonian Tropical Research Institute, and author of (2005-08-10)

Well established theories on patterns in evolution might be wrong
How do the large-scale patterns we observe in evolution arise? A new paper in the journal Evolution by researchers at Uppsala University and University of Leeds argues that many of them are a type of statistical artefact caused by our unavoidably recent viewpoint looking back into the past. As a result, it might not be possible to draw any conclusions about what caused the enormous changes in diversity we see through time. (2018-09-27)

Frontiers launches new open-access journal Frontiers in Ecology and Evolution
Swiss open-access publisher and research network, Frontiers, part of the Nature Publishing Group family, announces the launch of its journal Frontiers in Ecology and Evolution. (2013-11-29)

A closer look at the genome's 'black holes'
The centromeres of chromosomes -- considered by some to be the genomic equivalent of black holes -- may hold the answers to many scientific questions. HHMI investigators advance the theory that the rapid evolution of centromeric DNA may provide a mechanism by which newly evolving species rapidly become genetically incompatible with one another. (2001-08-09)

Reilly Center hosts conference on evolutionary theory
The University of Notre Dame's Reilly Center for Science, Technology and Values, the Pontifical Council for Culture's Science, Theology and the Ontological Quest project in Rome will host a conference titled (2009-10-14)

Pond scum and the gene pool: A critical gene in green algae responsible for multicellularity
Brad Olson, assistant professor in the Division of Biology; Erik Hanschen, doctoral student at the University of Arizona; Hisayoshi Nozaki, University of Tokyo; and an international team of researchers found a single gene is responsible for the evolution of multicellular organisms and may be a possible origin of cancer. (2016-05-05)

Closer look reveals nematode nervous systems differ
Nematodes, an abundant group of roundworms that exist in nearly every habitat, have long been used as model organisms for studying the function of neurons -- the basic unit of animal nervous systems. For years, it was assumed that neuron anatomy was remarkably similar across this large and diverse group. A recent study by University of Illinois researchers turns that assumption on its head. (2016-01-14)

We're off then: The evolution of bat migration
Researchers reconstruct the evolution of bat migration with the aid of a mathematical model. (2009-11-23)

Independent evolutionary origins of complex sociality in marine life
In the world of evolutionary research, scientists studying the evolution of eusocial societies have traditionally relied on information gathered from studying terrestrial insects. A group of Columbia researchers, however, has just added to that knowledge base, publishing a new study that sheds light on how the complex social system evolved in the sea. (2017-03-31)

Study explores which carnivores are most likely to kill other carnivores
Ecologists used to think of prey as the most important factor governing the structure of predator communities. However, over the past twenty years, they have increasingly recognized the importance of interspecific killing - carnivores killing carnivores - in determining ecology and behavior. A new study by Emiliano Donadio and Steven W. Buskirk (University of Wyoming), forthcoming from The American Naturalist, explores which carnivores are most likely to participate in these interactions, and why. (2006-03-08)

Galaxy blazes with new stars born from close encounter
The irregular galaxy NGC 4485 shows all the signs of having been involved in a hit-and-run accident with a bypassing galaxy. Rather than destroying the galaxy, the chance encounter is spawning a new generation of stars, and presumably planets. (2019-05-16)

Biophysical Society to host discussions on the teaching of evolution and on the energy crisis
The Biophysical Society is pleased to announce that it will host two public affairs sessions during its Joint Meeting with the International Biophysics Congress in Long Beach, Calif., Feb. 2-6, 2008. The first session will focus on the energy crisis and the role of basic research in addressing that crisis. The second session will focus on the role of professional scientists in the debate over teaching evolution and Intelligent Design in K-12 science classrooms. (2008-01-18)

Ancient human ear-orienting system could yield clues to hearing deficits in infants
Vestigial organs, such as the wisdom teeth in humans, are those that have become functionless through the course of evolution. Now, a psychologist at the University of Missouri studying vestigial muscles behind the ears in humans has determined that ancient neural circuits responsible for moving the ears, still may be responsive to sounds that attract our attention. Neuroscientists studying auditory function could use these ancient muscles to study positive emotions and infant hearing deficits. (2015-10-12)

A little squid sheds light on evolution with bacteria
In a new study published this week in the Proceedings of the National Academy of Sciences, an international team of researchers, led by UConn associate professor of molecular and cell biology Spencer Nyholm, sequenced the genome of this little squid to identify unique evolutionary footprints in symbiotic organs, yielding clues about how organs that house bacteria are especially suited for this partnership. (2019-01-07)

How evolution alters biological invasions
Biological invasions pose major threats to biodiversity, but little is known about how evolution might alter their impacts over time. Now, Rutgers University scientists have performed the first study of how evolution unfolds after invasions change native systems. The experimental invasions -- elaborate experiments designed by doctoral student Cara A. Faillace and her adviser, Professor Peter J. Morin -- took place in glass jars suitable for savory jam or jelly, with thousands of microscopic organisms on each side. (2017-02-13)

Page 25 of 25 | 1000 Results
   First   Previous   Next      Last   
Brightsurf.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.