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Tag: "details" at biology news

Dinosaur hearing, listening to muscle noise, quieter cubicles

...ustical effects in the Salt Lake Tabernacle. More details can be found later in the release (see "Salt Lake City Sounds" and "Science of Jazz and Yodeling"). MEDIA INQUIRIES AND ONSITE REGISTRATION Reporters covering the meeting can receive a complimentary press badge to attend all sessions. General...

New host species for avian influenza identified

...y birds tested for low pathogenic avian influenza, details new data on host species, prevalence, and temporal and geographical variation of avian influenza in wild migratory birds in Europe. Seven previously unknown host species for H5N1 were identified, including four species of goose and the common gull, a...

'Short-circuit' found in ocean circulation

... the path of helium from underwater volcanoes. The details are published in Nature this week. The team, led by Alberto Naveira Garabato of the National Oceanography Centre, Southampton (formerly based at the University of East Anglia), has discovered a 'short-circuit' in the circulation of the world's ocean...

How to look at dinosaur tracks

...osaur. True tracks preserve many of the anatomical details of the foot, such as number of digits and impressions of claws. However, the true tracks may be filled with sediment or the original tracked surface may have eroded away. In the latter case, erosion may expose prominent layers of concentric circl...

Better insight into brain anatomical structures

...s a very effective method for revealing anatomical details of soft tissues. Contrast agents can help to make ... able to get high-contrast views of the anatomical details of live mouse brain." The researchers hope that their new contrast agent will allow better research ...

Staphylococcus aureus hides out in cells

...dered an intracellular pathogen, but the molecular details that govern its extended persistence remain largely unknown. The bacteria can generate relapsing infections even years after the first episode was apparently cured. “S. aureus intracellular survival appears related to its capability to adopt a dis...

Herpes virus hijacks DNA repair process

June 13, 2007 -- Scientists probing the details of viral infection have discovered an intriguing surprise: in mice, herpes viruses hijack their host cells' tools for fixing DNA damage and use those tools to enhance their own reproduction. The DNA damage response normally fixes DNA errors caused b...

Undergraduate research shows leaderless honeybee organizing

...t, Pierce and his co-authors were able to document details of bee social behavior that fundamentally confirm the hypothesis that major colony activities are initiated by the cumulative group actions of the colony’s older workers, not by the queen’s individual decision. What Pierce and colleagues found wa...

Migration alert -- How tumor cells home in on the lymphatic system

...he lymphatic system, but they don’t understand the details of how this deadly migration takes place. In the June 2007 issue of the journal Cancer Cell, EPFL Professor Melody Swartz and postdoctoral researcher Jacqueline Shields provide an explanation along with data to support it. Tumors produce excess fl...

Researchers track how spores break out of dormant state

...y of single germinating Bacillus atrophaeus spores details how the spore coat structures break down, and it shows with unprecedented resolution how the new bacterium emerges from the disintegrating spore. The new research, led by Lawrence Livermore National Laboratory scientists, appears in the May 28-June 1...

Cellular message movement captured on video

...ansduction,” said Chien. “If we can understand the details of these processes, we can not only understand how normal cells function, but we can also look at diseased cells to see why they sometimes don’t move properly or why they don’t transmit information properly.”...

One species, many genomes

...g seasons. Such genome analyses of unprecedented details will allow a much better understanding of local adaptation, and this was indeed one of the main reasons for conduction the study. "By extending these types of studies to other species we hope to help breeders to produce varieties that are optimally a...

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