Evolve

Scientists discover how fish evolved to float at different sea depths

Scientists at the University of Liverpool have discovered how fish have evolved over the last 400 million years to stay motionless at different water depths. A research team led by Dr Michael Berenbrink, a Comparative Physiologist at the School of Biological Sciences, has revealed how modern fish, such as pike and cod, have developed a way of floating at certain water levels using a gas-f...

Immune system has evolved to prevent autoimmune disease

Study suggests chronic infections may create autoimmune response New research finds the human immune system has foregone evolutionary changes that would allow it to produce better antibodies in less time because the improved antibodies would be far more likely to attack the body's own tissues. The Rice University study finds the immune system has evolved a near-perfect balance for produci...

MBL researchers probe how an ancient microbe thrives and evolves without sex

A January 2004 finding by biologists at the Josephine Bay Paul Center for Comparative Molecular Biology and Evolution added important evidence to the radical conclusion that a group of diminutive aquatic animals called bdelloid rotifers have evolved for tens of millions of years without sexual reproduction, in apparent violation of the rule that abandonment of sexual reproduction is a biological...

Fish evolve a longer lifespan by evolving a longer reproductive period, researchers find

A UC Riverside-led research team has found that as some populations of an organism evolve a longer lifespan, they do so by increasing only that segment of the lifespan that contributes to "fitness" ?the relative ability of an individual to contribute offspring to the next generation. Focusing on guppies, small fresh-water fish biologists have studied for long, the researchers found that gu...

Fitting in: Newly evolved genes adopt a variety of strategies to remain in the gene pool

The largest-ever experimental analysis of duplicated genes provides insight into mechanisms of evolution When Mother Nature creates an identical copy of a gene in an organism's genome, the duplicated copy is usually deleted, inactivated, or otherwise rendered nonfunctional in order to prevent genetic redundancy and to preserve biological homeostasis. In some cases, however, gene duplicat...

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Science, technology and health care evolve

In a Wisconsin Technology Network colum...

How games have evolved to provide real-world education

Firefighters need to be fully prepared, practicing hundreds of times before their first high-rise fire. City officials need to respond to a chemical spill immediately, getting the right information to the right pla...

Evolve at Medicine News

Scientists Have Traced How The SARS Virus evolved

Chung-I Wu of the University of Chicago ( an evolution specialist ), helped China's SARS Epidemiology Consortium analyze their findings . The work provides more evidence that SARS jumps from animals to humans, possibly frequently. And it suggest...

Scientists Have Traced How The SARS Virus evolved

Chung-I Wu of the University of Chicago ( an evolution specialist ), helped China's SARS Epidemiology Consortium analyze their findings .The consortium's research, genetically fingerprinted virus samples from several dozen infected people and animals from China and Hong Kong.// The work provides more evidence that SARS jumps from animals to humans, possibly frequently. And it suggests, that...

Human Brain Continues To Evolve And Grow

Researchers at the University of Chicago have discovered intriguing findings that lead them to conclude that the human brain is apparently still evolving. There are two genes linked to the size// of the brain and these genes are still evolving and changing in humans. Bruce Lahn, an assistant professor of human genetics and a lead researchers of paper published in Science...

Bacteria Evolve Armamentarium Against Antibiotics By ‘Stealing’ Gens

Bacteria, like other living organisms, are exposed to ever-changing environments, oxidative stress, and worst of all, antibiotics.// Bacteria are able to defend themselves against all these insults, gain resistance to new antibiotics and attain new abilities simply by ‘stealing’ genetic information from other better-adapted types of bacteria through the bacterial equivalent of sex, known as horiz...

Bird Flu May Evolve Into More Transmissible Agent In Humans

The risk of bird flu evolving into a more transmissible agent in humans remains high due to the widespread distribution of the H5N1 virus in poultry and the continued exposure to humans // , according to a study by the UN health agency. The overall case-fatality rate was 56 per cent with the highest rate in persons aged 10 to 39 years, according to the study by the World Health Organis...

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Evolve Modular Radial Head System

Description:The Evolve™ modular radial head system employs the advantages of years of laboratory and clinical research to create the next generation of modular radial head arthroplasty. By creating a two part, modular design, the implant system offers the surgeon the ability to appropriately match the patients anatomy. In addition, the capability of in situ assembly, allows for easier implant insertion...
Company:Wright Medical Technology, Inc.

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