Tag: "are" at biology news
A 'private bandwidth' for communication in bats: Evidence from insular horseshoe bats
...values. It has been proposed that such differences are
large enough to allow recognition of conspecifics. The study proved that in Sardinia, Mediterranean (Rhinolophus euryale) and lesser (R.. hipposideros) horseshoe bats show divergence in call frequency, spacing them out more than their conspecifics...
American Chemical Society's Weekly PressPac -- Aug. 8, 2007
...nd biomedical research, scientists in North Dakota are
reporting no significant toxic effects from tests ...wever, the question of whether these nanomaterials are
toxic to living cells or organisms has not been fully answered, the researchers explain. The scien...
NIH gives $8M to University of Pittsburgh School of Medicine for myositis research
...at the University of Pittsburgh School of Medicine are
leading a worldwide effort to study a treatment fo...sitis. Also known as inflammatory myopathies, they are
musculoskeletal disorders characterized by muscle weakness thought to be autoimmune diseases. This m...
Facial attraction -- choice of sexual partner shaped the human face
...with large jaws, flaring cheeks and large eyebrows are
sexy, at least in the eyes of our ancestors, researchers at the Natural History Museum have discovered. Facial attractiveness played a major role in shaping human evolution, as studies on our fossil ancestors have shown our choice of sexual partner h...
Saudi Arabia's KAUST names WHOI first research partner
...udi Arabia and Saudi Arabia to the world. We are
excited to embark on this new collaborative research program with KAUST, said Dr. Laurence Madin, WHOI Director of Research. The research programs will increase our fundamental understanding of the ocean and its ecosystems in this important part ...
Multinational research: protecting ecology means understanding people, too
...onfronting conservation of the worlds biodiversity are
to be tackled and fixed, then science and people m...re developing this project, we realized that there are
many biological scientists working in conservation who lack training and skills in how to deal with ...
Climate change isolates Rocky Mountain butterflies
Expanding forests in the Canadian Rocky Mountains are
slowly isolating groups of alpine butterflies from...rate enough body heat in order to fly, and forests are
generally too shady for them and inhibit their ability to move. However, expanding forests are
Beyond batteries: Storing power in a sheet of paper
...rgy battery and a high-power supercapacitor, which are
generally separate components in most electrical s...o help power the battery. Details of the project are
outlined in the paper Flexible Energy Storage Devices Based on Nanocomposite Paper published Aug. 13...
New study warns limited carbon market puts 20 percent of tropical forest at risk
...ed widespread destruction of their tropical forest are
at risk of being left out of an emerging carbon ma...mate Change for implementation subsequent to Kyoto are
likely to create a carbon market for countries that reduce their deforestation from levels of recent...
Clones on task serve greater good, evolutionary study shows
...ons in the environment because in evolution, there are
optimal traits to have, a place you want to be. Ca...uestions. Arabadopsis can have many offspring that are
genetically identical. Yet, just like human twins, these identical plants still have subtle individu...
Unravelling new complexity in the genome
...large part, by how genes and the products of genes are
regulated. A University of Toronto-led study publi...cessing the RNA transcripts made from genes (which are
translated to make protein). We are
finding that a significant number of genes operating in the ...
Diverse genetic abnormalities lead to NF-κB activation in multiple myeloma
...key event in MM pathology. NF-κB target genes are
known to be involved in cell proliferation and cel...nificant overlap and interplay between them, there are
two separate pathways that lead to activation of NF-κB, the classical pathway and the alternati...
Pollution causes 40 percent of deaths worldwide, study finds
About 40 percent of deaths worldwide are
caused by water, air and soil pollution, concludes...tion, coupled with the growth in world population, are
major causes behind the rapid increase in human diseases, which the World Health Organization has re...
Invasion of the brain tumors
highly malignant and invasive tumors with tendrils that extend far from the primary tumor site, rendering conventional therapies ineffective and leading to an invariably poor prognosis. In a new study published online this week in the open-access jou...
Which came first, the moth or the cactus?
...onship; as moth populations increase, more flowers are
destroyed, fewer new cacti appear, and the spiral continues until both species disappear. Yet that hasn't happened, and Holland, assistant professor of ecology and evolutionary biology, spends several months each year observing moths and cacti in t...
Interaction of just 2 genes governs coloration patterns in mice
...gly little about how these adaptive color patterns are
generated. In this paper, we identify the genetic ...nt of melanin in individual hairs. When both genes are
turned on, the mouse is dark in color. A mutation that changes either gene leads to a somewhat blond...
Bursts of waves drive immune system 'soldiers' toward invaders
...igh-resolution light microscope, the dynamic waves are
made of a signaling protein that directs cell move... cvri.ucsf.edu/~weiner. The research findings are
reported in the August 13, 2007 online edition of the journal "Public Library of Science (PLoS) Biol...
Protein 'chatter' linked to cancer activation
...ders have the job of ensuring that chromosome ends are
maintained and protected, says Xu-Dong Zhu, assist...shorter. Individuals whose ends deteriorate faster are
at a higher risk of developing cancer because short chromosome ends are
a serious threat to the stab...
Features of replication suggest viruses have common themes, vulnerabilities
...t kinds of viral infections, much like antibiotics are
used to attack different kinds of bacterial pathog...quist. "This includes ways in which cell membranes are
used to organize virus replication." The shared features extend to most RNA viruses and a group kn...
Newly created cancer stem cells could aid breast cancer research
...s that form the bulk of the tumor. These queens are
cancer stem cells. Now the lab of Whitehead Member... cell is the ability to initiate a tumor, so these are
cancer stem cells, declares Weinberg, who is also an MIT professor of biology. Ince didnt set out ...
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