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Darwinian in Medical News

Scientists Explain Complex Darwinian Evolution

Scientists have managed to reconstruct a complex molecular system of Darwinian evolution for the first time by using new techniques for resurrecting// ancient genes. The research was led by Joe Thornton, assistant professor of biology at the University of Oregon's Center for Ecology and Evolu...

AIBS honors outstanding contributions to biology

... and committees and is the chair of the Education Committee of the Society for the Study of Evolution and is currently working on a book examining how darwinian evolution, as an abstract theoretical model, can be applied practically beyond biology. Dr. Bruce Alberts will receive the AIBS Education Award, pr...

Evolution and epilepsy

...ennsylvania School of Medicine on brain electrical signaling offer a fresh perspective on vertebrate evolution, provide additional evidence supporting darwinian views of evolution, and may also lead to more effective treatment of epileptic seizures in infants. Researchers discovered how evolutionary changes pr...

Theory of How HIV Attacks is Wrong: Study

...he virus slowly adapts over the course of the infection, the authors said. "The virus is constantly mutating and there may be selection - in a darwinian sense -- over time for 'fitter' mutants of the virus in an infected person," said lead author Andrew Yates of Emory University in Atlanta, Georgia. ...

Mother Hangs Herself and Three Children in Texas

...nt by reason of insanity. Yates initially was convicted of capital murder, but that verdict was overturned on appeal. Guilty or otherwise, the darwinian struggle for survival, poverty of the less successful, an uncaring community and lack of counseling, all these contribute to such tragedies, it is p...

Brain Structured to Make Human Beings Religious, Claims a US Scientist

...ink that that religion and spirituality is an innate quality hardwired by God in the human brain. Rather religion is a mere byproduct of evolution and darwinian adaptation, he asserts. "Just like we're not hardwired for boats, but humans in all cultures make boats in pretty much the same way, Atran explain...

Top 10 Reasons Why People Are Obese

...sity * Older birth moms: As people have children late, it increases their chances of being obese * Genetic influences during pregnancy. * darwinian natural selection * Assortative mating Fat people mating with fat people begets fat offspring Dr. Robert Kushner, medical director of the we...
Darwinian in Medical Dictionary

Microbe

...enious experiment that forced bacteria to compete in a head-to-head contest for evolutionary dominance offers a glimpse of the molecular workings of darwinian ... MicrobeWorld explores the world of microbes with vivid images and descriptions. ... The device boasts a 2MP CMOS sensor made by Sanyo and fe...
Darwinian in Biological News

Hidden genitalia in female water striders makes males 'sing'

...Jablonski used common insects, water striders, to study the intricacies of evolutionary conflict between males and females. The mechanisms for the way darwinian natural selection, acting separately on males and females, result in different traits in males than in females (for example, different body sizes to g...

Hatchery fish may hurt efforts to sustain wild salmon runs

... of returning fish to determine who their parents were, and whether or not they were wild or hatchery fish. The underlying problem, experts say, is darwinian natural selection. Fish that do well in the safe, quiet world of the hatcheries are selected to be different than those that do well in a much more...

Biologists devise unifying framework to explain evolutionary puzzles

...lution Working Group at NIMBioS. One of the world's most influential theoretical ecologists, Roughgarden is the author of two books that challenge the darwinian theory of sexual selection, which says that competition for mates and choice for genetic benefits drives the evolution of certain traits. Roughgarden'...

Biologists consider unifying framework to explain evolutionary puzzles

...lution Working Group at NIMBioS. One of the world's most influential theoretical ecologists, Roughgarden is the author of two books that challenge the darwinian theory of sexual selection, which says that competition for mates and choice for genetic benefits drives the evolution of certain traits. Roughgarden'...

Saved by junk DNA

...est tubes To further test their theory, the researchers conducted a complex experiment aimed at mimicking biological evolution, using yeast cells as darwinian guinea pigs. Their results show that when a repeat is present near a gene, it is possible to select yeast mutants that show vastly increased activity ...

Did the North Atlantic fisheries collapse due to fisheries-induced evolution?

... to shallow water. The PLoS ONE paper reports a significant difference in darwinian fitness (relative survival rate) between shallow-water and deep-water adapt...habitat in which it occurs. The study highlights the importance of applying darwinian principles and evolutionary thinking to fisheries and conservation science....

Darwin in a test tube

...of Science and Technology, the work is intended to advance understanding of darwinian evolution. Using molecules rather than living species offers a robust way t...mon ancestor but had separated into different species a classic concept in darwinian evolution known as "niche partitioning," which holds that when two species ...

Darwin's legacy in 21st century biology

...ndation of all modern biology. The invited speakers provide a comprehensive darwinian and historical framework for current theoretical and empirical research. As... Public lecture at the University Museum Friday, Feb. 13, 2009 Title: darwinian Evolution: from Molecules to People Program: Introductory remarks: Dr. ...

Scripps scientists develop first examples of RNA that replicates itself indefinitely

...orm of heritability, and give rise to variations of itself in a way akin to darwinian evolution. So, says Lincoln, "What we have is non-living, but we've been ab...t we've found could be relevant to how life begins, at that key moment when darwinian evolution starts." He is quick to point out that, while the self-replicatin...

New research shows how gene function drives natural selection in important class of genetic elements

...to determine the influence of natural selection on their evolution," said Baucom. "We find that the genes involved in their replication are subject to darwinian evolutionthe same evolutionary processes that affect species." Other authors of the paper just published in the online version of the journal Geno...
Darwinian in Biological Technology

Global Financial Crisis Making Biotech Business Model Unsustainable, According to Ernst & Young

...." New pathways to sustainability The challenge for the industry, according to Beyond borders , is turning an existential threat into a darwinian opportunity. The potential solution lies in four paradigm-shifting trends that promise to accelerate the transition to sustainable business models: ...

Michigan Company Founded upon What Could Be History's Most Important Breakthrough in AI and Robotics

...lf-assembling, cumulatively bootstrapping itself from a totally naive state to progressively higher levels of creative intelligence. No, this is not a darwinian genetic algorithm requiring vast computational clusters, generating potential ideas through random mishap. This is a radically new form of synthetic c...

Start-ups grow up

... enter an exciting period in the marketplace. Low levels of funding and a tougher course of due diligence mean that early stage companies must fight a darwinian battle for survival. To make it from inception to market, these companies must conserve cash, leverage resources, court customers, and out-think loomi...

Debate over `intelligent design' is a not-so-wise diversion from science education

...tion that certain aspects of life are best explained by an intelligent cause or design rather than natural selection. Why not "teach the controversy," darwinian skeptics ask? The intelligent designers were boosted this month when President Bush, much to the dismay of mainstream scientists, urged that "both ...

If my mom designed a computer

...out one fax every quarter or so. I cant really blame the poor little application, though. Pennsylvania school boards not withstanding, theres a bloody darwinian battle going on in my computer for my attention. Its survival of the most arrogant. Im not trying to alert each and every business analyst, archite...
Darwinian in Biological Definition

Digital organism

...al organism is a self-replicating computer program that mutates and evolves . Digital organisms are used as a tool to study the dynamics of darwinian evolution , and to test or verify specific hypotheses or mathematical models of evolution. Contents showTocToggle("show","hide") 1 ...

Eugenics

...onditions which were encouraging "dysgenic" conditions, claiming that the less intelligent were out-reproducing the more intelligent, a catastrophe in darwinian terms. However, Galton did not yet elaborate on the methods which would be specifically used for this endeavor, and hoped that if social mores could c...

Evolution

...rsist while others perish. The modern synthesis, like its Mendelian and darwinian antecedents, is a scientific theory. In plain English, people use the word...e case, then some instances of evolution would lie outside of the typically darwinian framework, which avoided any connection between environmental signals and t...

Experimental evolution

...ne at 158 °F. However, these organisms would not grow anymore at the initial 60 °F. Dallinger concluded that he had clearly found evidence for darwinian adaptation in his incubator, and that the organisms had adapted to live in a high-temperature environment. Unfortunately, Dallinger's incubator was ac...

Gregor Mendel

...he same time as the British naturalist Charles Darwin ( 1809 — 1882 ), and many have fantasized about a historical evolutionary synthesis of darwinian natural selection and Mendelian genetics during their lifetimes. Mendel had read a German translation of Darwin's Origin (as evidenced by his n...

Jean-Baptiste Lamarck

...sing them, while losing others through disuse. While this conception of evolution did not originate wholly with Lamarck, he has come to personify pre- darwinian ideas about biological evolution, now called Lamarckism . Born into poor nobility (hence 'chevalier'), Lamarck served in the army before becomin...

Modern evolutionary synthesis

... in the 1960s. The synthesis as it exists now has extended the scope of the darwinian idea of natural selection, specifically to include subsequent scientific di...he gene is the only true unit of selection . Dawkins further extended the darwinian idea to include non-biological systems exhibiting the same type of selectiv...

Speciation

...arly as seen in the fossil record . There are many ideas about the process leading to the creation of new species, each typically based on any of the darwinian theories of biological evolution . Most of these ideas share the hypothesis that speciation occurs when a parent species (also referred to as a com...

Species

...al mates. Like the isolation species concept above, it applies only to organisms that reproduce sexually. A phylogenetic or evolutionary or darwinian species is a group of organisms that shares an ancestor; a lineage that maintains its integrity with respect to other lineages through both time and ...
Darwinian in Biological Dictionary

Sociobiology

... Sociobiology is a synthesis of scientific disciplines which attempts to explain social behavior in animal species by considering the darwinian advantages specific behaviors may have. It is often considered a branch of biology... Sociobiology has been less successful in its application to...

Phylogeny

..... The evolution of biological life, according to normal science, does not unfold according to a plan, but proceeds according to non-teleological darwinian processes. Definition of phylogeny from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word gam...

Neo-darwinism

...rwinism is a term used today to describe the 'modern synthesis' of darwinian evolution by natural selection with Mendelian genetics, the latter of w...about Neo - Darwinism in the free online ... neo - Darwinism - a modern darwinian theory that explains new species in terms of ... According to neo -...

Digital organism

... A digital organism is a self-replicating computer program that mutates and evolves. Digital organisms are used as a tool to study the dynamics of darwinian evolution, and to test or verify specific hypotheses or mathematical models of evolution. This is closely related to the area of artificial life. I...

Darwinian fitness

...ferences in individual... Aspects of the topic darwinian - fitness are discussed in the following places a...selection to act... The union of traditional darwinian evolution with subsequent discoveries in ... T...rial, Credit Card Required. Top 25 FB Coaches' darwinian Fitness . Big Man on Campus. Alpha Male. Silverb...

Biologist

...ogy. ... Florida Museum of Natural History Ichthyology Department homepage. ... Competition is indeed intense for biologist positions and a basic darwinian ... The Role of a Biologist A biologist is an individual who serves a very important role in the field of science There are many different type...
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