Tag: "than" at biology news
A 'private bandwidth' for communication in bats: Evidence from insular horseshoe bats
...ivergence in call frequency, spacing them out more than
their conspecifics living in peninsular Italy (i.e...lling respectively at lower and higher frequencies than
on the mainland, R . euryale and R. hipposideros avoid all risk of confusion. The authors of the ...
American Chemical Society's Weekly PressPac -- Aug. 8, 2007
.... The sensitivity of the described assay is better than
the typical mammalian sense of smell and is able t...e Boston Convention and Exhibition Center and more than
a dozen hotels across the city. More than
15,000 scientists and others are expected to attend this s...
Facial attraction -- choice of sexual partner shaped the human face
...t be explained simply in terms of men being bigger than
women. In spite of their larger size men have an upper face similar in height to a female face, but much broader. These differences can be found throughout human history. As a result, a simple ratio of measures could be used to calculate facial attra...
Study begins to reveal clues to the cause and progression of sepsis
...n, which can lead to organ failure and death. More than
30 percent will die, making sepsis the 10th leadin...ia (CAP), the leading cause of severe sepsis. More than
30 percent of the subjects developed severe sepsis, of whom 26 percent died. To determine the in...
Multinational research: protecting ecology means understanding people, too
...tudying the ecological problems for decades. More than
one half of the Senior Executive Service members a...o said the interior department also will lose more than
60 percent of its program managers, the forest service will lose more than
80 percent of its entomol...
Beyond batteries: Storing power in a sheet of paper
...ces. The semblance to paper is no accident: more than
90 percent of the device is made up of cellulose, the same plant cells used in newsprint, loose leaf, lunch bags, and nearly every other type of paper. Rensselaer researchers infused this paper with aligned carbon nanotubes, which give the device i...
New study warns limited carbon market puts 20 percent of tropical forest at risk
...t of worldwide efforts to sequester carbon, rather than
being left out entirely, said CI President Russell...ical forest, as well as those that still have more than
half their forest cover but face current high rates of deforestation. In contrast, 11 HFLD countries...
Clones on task serve greater good, evolutionary study shows
...r-identical environments that turn out differently than
their kin. In this weeks Proceedings of the Nation... with those environmental changes. Some get taller than
their parents, some are stunted by those little environmental hiccoughs. The scientific intrigue c...
Unravelling new complexity in the genome
...rm Caenorhabditis elegans. Clearly something other than
gene count is behind the genetic differences betwe...hly regulated in a cell and tissue-specific manner than
previously appreciated and much of this additional regulation occurs in the nervous system. The alt...
Pollution causes 40 percent of deaths worldwide, study finds
... Cornell graduate students examined data from more than
120 published papers on the effects of population ...ear. Unsanitary living conditions account for more than
5 million deaths each year, of which more than
half are children. Air pollution from smoke and v...
Which came first, the moth or the cactus?
...in southern Arizona. But his primary site for more than
a decade is a desolate, 30-acre patch of desert straddling three ranches near Bahia de Kino on the Gulf of California. Holland said he and his students sometimes go weeks without seeing other people at the sites, with the exception of a cowboy on hor...
Interaction of just 2 genes governs coloration patterns in mice
...he beach mice's coats have become markedly lighter than
that of their mainland brethren. "In nature ther...e 'beach mice' have evolved a lighter pigmentation than
their mainland relatives, a coloration that helps camouflage them from predators that include owls, ...
Newly created cancer stem cells could aid breast cancer research
...ehave like those seen in many patients. In more than
90 percent of human breast tumors, cancer cells re... to be extremely powerful. When Ince injected more than
100,000 of them into a mouse with a compromised immune system, it quickly developed massive, deadly ...
Doernbecher Children's Hospital scientist earns coveted Javits award
... says, children are 10 times more likely to haveCP than
cancer. "Dr. Back's groundbreaking work is increasing our knowledge of whatcauses cerebral palsy and other important neurological diseases," saidStacy Nicholson, M.D., Doernbecher Physician-in Chief and Credit Unionsfor Kids Professor and Chair of ...
Risk of common vaginal infection linked to preterm birth appears higher for blacks
...ntion found that preterm birth contributed to more than
a third of infant deaths twice as many as previously thought, making it the leading cause of infant deaths yet the underlying causes of premature birth are not well understood. Reasons for the observed variance in BV rates among racial groups als...
X-ray images help explain limits to insect body size
...y greater fraction of their body to tracheal tubes than
do smaller species. The team focused in particular on the passageways that lead from the body core to the head and to the legs. They reasoned that these orifices may be bottlenecks for tracheal tubes, limiting how much oxygen can be delivered to th...
New, more direct pathways from outside the cell-to-cell nuclei discovered
...l to get into the nucleus, and so it is far easier than
previously thought for this material to get into the nucleus." Eve Barak, an NSF program director, describes Gavin's discovery as "an amazing and potentially paradigm-changing observation," and predicts that it "will have an enormous impact on how ...
Scientists show that mitochondrial DNA variants are linked to risk factors for type 2 diabetes
...nuclear genome, a recent study estimated that more than
20% of type 2 diabetes cases may involve mutations in the mitochondrial genome. In the study published today, the scientists compared two different rat strains; the strains possessed virtually identical nuclear genomes but different mitochondrial g...
New system of wastewater treatment could reduce the size of treatment plants by half
...ably reduces the size of treatment plants (by more than
half) and it minimizes the resulting mud productio...nstruction. Installation is therefore much cheaper than
installation of plants with tertiary treatment, and it also makes it possible to use the water immed...
Swarming starlings help probe plasma, crowds and stock market
...ieved that this method would be much more accurate than
the normal statistical analysis of such dynamic sy... information based technique was four times better than
traditional methods in understanding how and when these systems moved from disorder to order. The ...
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