Relationships in Biological News

Early family ties: No sponge in the human family tree

... way. But there is still much debate about the relationships between the animal groups that made their ... France and Canada has now managed to explain the relationships between some of these very early animal groups ... also includes corals and sea anemones. The exact relationships among these early animal groups are still ...

MIT: Why we have difficulty recognizing faces in photo negatives

... Sinha has previously studied light and dark relationships between different parts of the face, and found ... According to Sinha, that's because the light/dark relationships between the eyes and surrounding areas are the ... would be in a normal image. Similar contrast relationships can be found in other parts of the face, ...

New tool could unpick complex cancer causes and help sociologists mine Facebook

... graphs to describe and depict the probability of relationships between each of the components. When used to ... researchers would use them to understand the relationships between various economic and demographic factors. ... understandings of large scale interactions and relationships in society at large. ...

Computation and genomics data drive bacterial research into new golden age

... such as humans, both in benevolent symbiotic relationships and when causing infectious diseases such as TB. ... single celled organisms, they engage in complex relationships within communities, for example in biofilms where ... of fresh insights into the critical symbiotic relationships between bacteria and plants. Some plants rely on ...

In child care, relationships with caregivers key to children's stress levels

... across the day. Children with more clingy relationships with their teachers showed greater rises in ... to afternoon, and children with more conflicted relationships with their teachers showed greater cortisol ... session with their teachers. Conflicted relationships were said to occur when teachers tried to control ...

SAFRAN to Acquire Motorola's Biometrics Business

... U.S. customer is Boeing and it has significant relationships with other U.S. aerospace companies. SAFRAN ... iris and facial recognition either through OEM relationships with major U.S. integrators such as Northrop Grumman and Lockheed Martin, or through its own direct relationships with customers. SMI's U.S. customers for ...

Revealing the evolutionary history of threatened sea turtles

... clarifies our understanding of the evolutionary relationships among all seven sea turtle species. ... mitochondrial markers to test the evolutionary relationships of all species of marine turtlesleatherback, ... years ago. Determining the evolutionary relationships among sea turtles as well as the species identity ...

Scientists develop new method to investigate origin of life

... distance estimates and, hence, phylogenetic relationships among retroelements. Patterson said that the ... evolutionary trees, but can be insensitive to relationships among the most distantly related proteins, in ... obtain more detailed information about possible relationships among the sequences, a human expert who can ...

Ecologists tease out private lives of plants and their pollinators

... as helping explain the evolution of such intimate relationships between plants and pollinators, the study one of ... and hay meadows across Northern Europe. relationships between plants and pollinators have fascinated ... advantages and disadvantages of plant-pollinator relationships where particular plants rely on particular ...

How your mother's emotional legacy impacts your life

... functioning, and ability to form meaningful relationships in family life, in social life, and with intimate ... explores how our emotional connections in adult relationships are based on the style of our mothers. Poulter ... and shame that we feel and achieve the kind of relationships we deserve. Dr. Poulter demonstrates how the ...

Lemurs' evolutionary history may shed light on our own

... Research. Scientists uncover evolutionary relationships among species based on similarities and ... evolutionary groups has allowed resolution of relationships that had been considered unmanageable before. ... evolutionary ties to chimpanzees, many of the relationships among other apes, monkeys and pre-monkeys called ...

Reviews of microbial gene language published in special issue of Trends in Microbiology

... in 2004 to focus on microbe-plant associations, which include the many relationships of plants with bacteria, fungi, oomycetes, and nematodes. VBI researcher ... surface has barely been scratched in the attempt to unravel the complex relationships between human health and the microbes that inhabit us. Here at the ...

Society for Prevention Research Meeting in Washington, D.C., May 27-29, 2009

... behaviors, especially for girls, and it intensifies the already complex relationships girls have with their bodies. In addition, adolescent girls often report ... about their own bodies, reproduction, and health. How do mother-daughter relationships affect issues related to conflict, control, shared health beliefs and ...

Researchers gain genome-wide insights into patterns of the world's human population structures

... the predominant evolutionary forces that shaped local populations, and the relationships among populations. "Studying genomic patterns of human population ... human population structure should yield new insights into the history and relationships among human genomes." ...

Interventional radiology: From sidelines to mainstream for patients

... with trauma and transplant care," said Stainken. "While those physician relationships remain in place, interventional radiologists are taking positions in the ... of vascular and interventional radiologists "establishing physicianpatient relationships that are also customarily maintained by other physicians who provide ...

Sexual harassment from males prevents female bonding, says study

... The extent to which sexual harassment from males can damage relationships between females is revealed in a study published today (Wednesday 22 ... by females dealing with unwanted male attention prevents them from forming relationships with other females. They believe females from groups with more males may ...

Uvalde Center water research could have national, international applications

... and distinctiveness of aquifers. "This includes investigating the relationships between water bodies in the South Central Texas area, particularly those ... the non-radioactive stable isotopes of well water to understand the relationships between wells and the aquifers supplying them. "Stable isotopes record ...

Antioxidants in Midwestern black raspberries influenced by production site

... to determine antioxidant levels. According to the researchers; "Inverse relationships among black raspberry samples suggested that site differences may be partially attributable to fruit ripeness at harvest. relationships among these parameters versus regional differences in soil temperatures ...

Microscopic morphology adds to the scorpion family tree

... found a wealth of new variation that gives insight into the evolutionary relationships among scorpions. Their research, recently published in the Bulletin of ... still largely unexplored source of data for understanding the evolutionary relationships among organisms," says Prendini, Associate Curator in the Division of ...

January GEOLOGY media highlights

... over the megashear, but Amato et al. used structural and stratigraphic relationships to show that the granites were not far-traveled, and that they must have been near their present location by 190 million years ago. These relationships are inconsistent with Late Jurassic megashear displacement and require ...

Scientists find facial scars increase attractiveness

... They found that women preferred men with facial scars for short-term relationships and equally preferred scarred and un-scarred faces for long-term ... "Women may have rated scarring as an attractive quality for short-term relationships because they found it be a symbol of masculinity, a feature that is linked ...

Entomological Society of America names new Fellows for 2008

... in research on diseases of insect pests of corn, and on multi-trophic relationships between insects, insect pathogens, beneficial insects, and plants. His work to define relationships of insect pathogens, macrobiological control organisms, and chemical ...

Len Hunt Joins Gallup Consulting Group

... Managing Partner. Hunt will be responsible for managing existing client relationships as well as developing new relationships in the automotive and non-automotive fields. "We are pleased to welcome ...

And the first animal on Earth was a ...

... The tree of life is a hierarchical representation of the evolutionary relationships between species that was introduced by Charles Darwin. (See diagram. ... than 100 species, they were sampled in such a way that they inform the relationships of major groups of animals relative to each other. Therefore, this study, ...

AMNH scientists grace Science & Nature covers

... sortsamples from a diverse array of animalsto look at evolutionary relationships from sponges to humans. Genetic sampling allows researchers to see relationships among species that could be hidden from view if not reflected in ...

And the first animal on Earth was a...

... The tree of life is a hierarchical representation of the evolutionary relationships between species that was introduced by Charles Darwin. (See diagram. ... than 100 species, they were sampled in such a way that they inform the relationships of major groups of animals relative to each other. Therefore, this study, ...

Evolution of root nodule symbiosis with nitrogen-fixing bacteria

... longer variant of SMYRK was found only in plants involved in the symbiotic relationships with nitrogen-fixing bacteria. Importantly, the longer version was found ... symbiosis) and in actinorhiza (such as alder) which form symbiotic relationships with frankia bacteria, about which there is little genetic information. ...

480-million-year-old fossil sheds light on 150-year-old paleontological mystery

... fossilized. Previous patchy evidence was insufficient to reveal the relationships of the machaeridians to other animals and there was much speculation about their position in the tree of life. Different authors suggested relationships to groups as varied as mollusks (clams and snails), barnacles (crustaceans ...

UF botanists: Flowering plants evolved very quickly into 5 groups

... since. One of the reasons why its been hard to understand evolutionary relationships among the major groups of flowering plants is because they diversified ... researchers slowly built a kind of family tree for plants a diagram of relationships among plant lineages showing diversification over the eons. Based on known ...

Which came first, the moth or the cactus?

... the purpose of assuring a food resource for its offspring. "Mutualistic relationships like this present a problem for ecological theory," said Rice University ... develop theoretical models, equations that attempt to explain mutualistic relationships like the one between the moth and the cactus, and I take those models into ...

Navigating in the ocean of molecules

... smaller 'parent' scaffolds to each scaffold by gradually removing rings from the original 'child' scaffold. This generates innumerable parent-child relationships - structurally related molecules of varying complexity. The advantage lies in the fact that chemically similar compounds are very likely to display ...

Scientists find universal rules for food-web stability

... food webs not only differ by their species composition, but also vary in their stability. Observable food webs are stable food webs, with the relationships between their species remaining constant over relatively long periods of time. Understanding complex systems such as food webs present major ...

Fossil plants bring Wilf distinguished speaker honor

... extinction and recovery, and global warming across the Paleocene-Eocene boundary. He also looks at modern insect herbivory, leaf shape-to-climate relationships and the decoding of leaf venation characters. Wilf will lecture on three topics at any level from introductory to technical. His topics are ...

August 2009 Geology and GSA Today media highlights

... loess. Having now developed a well-constrained stratigraphic record of Beringia, Froese and his team hope to further resolve questions concerning the relationships between mammals, glacial vegetation, and Pleistocene climate. ...

U of M study identifies risk factors of disordered eating in overweight youth

... of Minnesota School of Public Health and a co-author of the study. Findings from this study also suggest the importance of strong family relationships for overweight adolescents. These youth face pressures above and beyond those faced by their non-overweight peers due to strong social pressures to ...

Microbes and their hosts -- exploring the complexity of symbiosis in DNA and cell biology

... a fascinating view into how microbial symbionts adapt to changing biological environments. Insights into the diversity and complexity of symbiotic relationships are the focus of the current special issue of DNA and Cell Biology , a peer-reviewed journal published by Mary Ann Liebert, Inc. The issue is ...

NOAA bans commercial harvesting of krill

... Service by NOAA's Office of National Marine Sanctuaries. Today's rule implements Amendment 12 to the FMP and is intended to preserve key nutritional relationships in the California Current ecosystem, which includes five National Marine Sanctuaries. "This is a great success for protecting the entire ...

LSUHSC research helps link schizophrenia to specific DNA region

... convinced that others are plotting to harm them. These experiences can make them fearful and withdrawn and cause difficulties when they try to have relationships with others. The LSUHSC research team, which included LSUHSC Assistant Professor of Clinical Psychiatry, Margaret Baier, MD, and Erich Conrad, MD, ...

In the warming West, climate most significant factor in fanning wildfires' flames

... Research Station and one of the study's authors. "With this information, managers can design treatments appropriate for specific climate-fire relationships and prioritize efforts where they can realize the most benefit." Findings from the study suggest that, as the climate continues to warm, more ...

NYU Langone Medical Center awarded NIH grants totaling $1,560,000

... demonstration projects on behalf of the HMP. "The Human Microbiome Project offers a fascinating opportunity to transform our understanding of the relationships between microbes and humans in health and disease," said Vivian S. Lee, MD, PhD, MBA, senior vice president, vice dean for science and chief ...