Sentences with phrase «by biologists at»

According to a new study by biologists at Virginia Tech and the Smithsonian Migratory Bird Center, the offspring of a certain songbird, the wood thrush, are more likely to survive drought in larger forest plots that offer plenty of shade and resources.

Black bears in Yosemite National Park that don't seek out human foods subsist primarily on plants and nuts, according to a study conducted by biologists at UC San Diego who also found that ants and other sources of animal protein, such as mule deer, make up only a small fraction of the bears» annual diet.

The research was conducted by biologists at Oregon State University, University of Montana's Flathead Lake Biological Station, and Kodiak National Wildlife Refuge.

Two recent studies led by biologists at the University of California San Diego have set the research groundwork for new avenues to treat influenza and anthrax poisoning.

How eggs form without centrosomes — a long - standing mystery — was solved in August by biologists at the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany.

Not exact matches

According to a 1994 essay in the New York Review of Books by John Maynard Smith, the dean of British neo-Darwinists, «the evolutionary biologists with whom I have discussed his [Gould's] work tend to see him as a man whose ideas are so confused as to be hardly worth bothering with, but as one who should not be publicly criticized because he is at least on our side against the creationists.

«Since its completion, the book has been endorsed by prominent scientists including Philip Skell, a member of the National Academy of Sciences; Scott Turner, an evolutionary biologist at the State University of New York; and Professor Norman Nevin, one of Britain's leading geneticists.»

Neo-Darwinism at present holds the ascendancy in the eyes of biologists, partly owing to a clearer and more statistically substantiated definition of «the fittest», but principally because of the immense part, now recognized by modern genetics, played by the «action of large numbers» in the formation of species.

It emphasises that science and technology must be «at the service of the human person» (DV 2) and the language is quite strong: «Science without conscience can only lead to man's ruin» (DV 2); and «No biologist or doctor can reasonably claim, by virtue of his scientific competence, to be able to decide on people's rights and destiny» (DV 3).

Whitehead in this respect as in others provides a rigorous ontological grounding at the microcosmic level for the macrocosmic phenomena studied by biologists.

While the evolutionary biologist might agree that no purpose can be discerned in the physical universe prior to the state at which evolution in the biological sense commenced (that is to say, where entities which are born, reproduce and die and in so doing are subject to natural selection), yet he might argue that evolution by natural selection automatically provides the «purpose.»

All biologists agree that the behavior of organisms as a whole is directive, in the sense that in the course of evolution some at least of it has been modified by selection so as to lead with greater or less certainty towards states which favour the survival and reproduction of the individual.

More Than a Thousand «Experience a Revolution» With Rob Stewart and BurlingtonGreen, by Jackie Prime Rob Stewart, award - winning biologist, conservationist, photographer and creator of acclaimed films Sharkwater and Revolution, took the stage for two inspirational events at the Performing Arts Centre on October 21st, 2014.

An immune response, triggered by foreign neural stem cells, could actually help attack tumors, says Evan Snyder, a stem cell biologist at Sanford Burnham Prebys Medical Discovery Institute in San Diego, California, and one of the early pioneers of the idea of using stem cells to attack tumors.

Recent interdisciplinary research led by Morehouse in the Morehouse Research Lab and Nathan Clark, biologist in the Clark Research Lab at the University of Pittsburgh looked closer at the complex structures and mechanisms within male butterfly ejaculates and the adaptive responses in the female butterfly reproductive tract.

Although DARPA didn't pay much attention to the life sciences at first, since 1990, when it hired its first biologist, «it made up for lost time, and in June 2014 DARPA put the life sciences on an equal footing with other disciplines by creating the Biology Technologies Office,» Mervis noted in a sidebar.

The project was led by three scientists: John Harley, MD, PhD, Director of the Center for Autoimmune Genomics and Etiology (CAGE) at Cincinnati Children's and a faculty member of the Cincinnati VA Medical Center; Leah Kottyan, PhD, an immunobiology expert with CAGE; and Matthew Weirauch, PhD, a computational biologist with the center.

So researchers led by Ullas Karanth, a tiger biologist at the Wildlife Conservation Society in New York City, turned to poop.

Biologist José Luis Acuña of the University of Oviedo in Spain and his colleagues now suggest that jellyfishes are just as effective at mealtime as fishes when judged by the right measures.

That figure, issued in January by the U.S. Fish & Wildlife Service, at least sextupled the former estimate that biologists had been touting.

A new study published in the journal Nature, led by evolutionary biologist Dr Alistair Evans from Monash University, took a fresh look at the teeth of humans and fossil hominins.

What is important about our study is that it is a different methodology than what is used by fisheries scientists for stock assessments, and therefore we serve as an independent verification,» says Kent Carpenter, a marine biologist at Old Dominion University in Norfolk, Virginia, and a co-author on the paper.

Meanwhile a team led by Yihong Ye, a cell biologist at the National Institutes of Health, discovered another pathway that uses different protein workhorses to accomplish a similar off - load.

Michael Baum, a biologist at Boston University, got a more detailed look by studying ferrets, whose biology is well understood.

Now, thanks to a rigorous new census compiled by Hal Whitehead, a marine biologist at Dalhousie University in Nova Scotia, it is clear that there are far fewer sperm whales in the world's oceans than previously estimated.

Find out at the monthly Brains and Behavior Distinguished Lecture Series hosted by Georgia State University, when biologist Mary Kennedy discusses the complex brain pathways that allow us to create memories.

Restoring normal function to a mutated protein is more difficult than simply blocking a protein, the strategy used by most medical therapies, says Klas Wiman, a tumor cell biologist at the Karolinska Institute in Stockholm.

Peng Yin, a systems biologist at Harvard University, who was not involved in the new research, says he is impressed by the work and calls it «an important advance for molecular programming, dynamic DNA nanotechnology and in vitro synthetic biology.»

Biologists from London's Medical Research Council are trying to find the answer — by looking at the past.

A study by climatologist James Johnstone and biologist Todd Dawson of the University of California, Berkeley, looked at a combination of weather station and airport data along the northern California coast where massive coastal redwood trees thrive.

At first, evolutionary biologist Patricia Brennan was not alarmed by the news stories about her research.

Claire Kremen, a conservation biologist at the University of California, Berkeley (and Harmon - Threatt's mentor), has shown that the diversity of pollinators drops with increasing distance from wild habitat, as does the number of visits by wild bees to flowering crops.

Biologist Rupert Sheldrake, whom I interviewed in my last post, wasn't the only fascinating scientist I hung out with recently at Howthelightgetsin, an festival hosted by the Institute of Arts & Ideas.

In 2011, researchers led by David Baker, a computational biologist at the University of Washington in Seattle, created a designer protein that binds HA's stem, which prevented viral infection in cell cultures.

The Massachusetts team, led by Peng Yin, a systems biologist at Harvard University's Wyss Institute in Boston, modified the DNA brick approach, which they invented, to make larger, more complex structures.

It might not seem like a revolutionary concept, but marine biologists have just made a claim that could shake up the way dolphins are identified in scientific studies: We humans can reliably identify these marine mammals the same way we identify each another, by simply looking at their faces.

Biologist Sonja Wedmann, then at the Institute of Paleontology at the University of Bonn, analyzed the fossil after it was dug up from oil shale deposits in what was once a small lake formed by volcanic activity.

Past work by Corrie Moreau, an evolutionary biologist at the Field Museum in Chicago, who was not involved with this study, revealed that one of the supersoldier species is located near the base of the Pheidole family tree, closely related to the ancestral ant, while other supersoldier species were scattered within the tree.

Molecular changes The 2009 health outcomes work, by biologists Ran Huo, Qi Zhou and colleagues at the Chinese Academy of Sciences and Nanjing Medical University, involved comparing mice that had undergone IVF and PGD with those that had undergone IVF alone.

In addition to Belote and Pitnick, the article was co-authored by William T. Starmer, professor of biology at SU; Manier, a former SU research associate who is assistant professor of biology at the George Washington University; Stefan Lüpold, an SU research assistant professor; Kirstin S. Berben, an SU lab technician; Outi Ala - Honkola, a former SU postdoctoral fellow who is a biologist at the University of Jyväskylä (Finland); and William F. Collins» 12, a former student of Pitnick's who is a master's candidate at the Johns Hopkins» School of Advanced International Studies.

Evolutionary biologists had long looked to inclusive fitness to explain «eusocial» species, those that live in highly connected structures inhabited by many generations at once.

By chemically removing the gut microbiome in zebrafish in the lab and then repopulating the gut with two to three bacterial species, University of Oregon biologist Karen Guillemin has shown that certain microbes are especially skilled at suppressing the host immune system and preventing inflammation — a discovery she thinks may have implications for human health.

Witness the recent use of the site by molecular biologist Kenneth Ka - Ho Lee at the Chinese University of Hong Kong, who used Research Gate to much fanfare last March.

Though it looks chaotic at first glance, this migration map, which shows the electronic tracks of 19 shearwaters created by UC Santa Cruz biologist Scott Shaffer in 2005, color - codes the various legs of their trek: light - blue lines track the birds during breeding season, yellow lines represent the northward journey, and orange lines show the winter feeding grounds and southward return.

To avoid that muddle, Steve Brown and Xue - Zhong Liu, molecular biologists at the Medical Research Council's Mouse Genome Center in Harwell, England, sought families in remote areas of the world, where the families» deafness is more likely to be caused by a single mutated gene.

After an experienced trainer was pulled in and killed by an orca at SeaWorld, a wildlife biologist who studies the species explains how a killer whale's natural behavior might help shed light on what happened

Flesch, a biologist at the School of Natural Resources and the Environment at the University of Arizona, has studied ferruginous pygmy owls, whose short, low flights might be crimped by high border walls.

Biologists at Washington University in St. Louis have exposed one such interloper by characterizing the unique biochemical pathway it uses to synthesize auxin, a central hormone in plant development.

In collaboration with researchers from the Friedrich Miescher Institute of Basel and the Vanderbilt University Medical Center of Nashville (United States), the biologists discovered that Rif1 regulates the timing of DNA replication by acting directly at the level of the origins of replication.

Now, an elaborate genetic study conducted by researchers at Eawag and Bern University helps to explain the secret of its success: the stickleback can evidently adapt very rapidly to new habitats — so rapidly that, for evolutionary biologists, it serves as a model for the divergence of a single species into two or more distinct species.