A 'private bandwidth' for communication in bats: Evidence from insular horseshoe bats
...sect prey by emitting long ultrasound calls mainly made of a constant frequency. Different rhinolophid species show different frequency values. It has been proposed that such differences are large enough to allow recognition of conspecifics. The study proved that in Sardinia, Mediterranean (Rhinolophus...Facial attraction -- choice of sexual partner shaped the human face
... and brow was probably immensely important to what made us attractive in the past, as it does now. ...Beyond batteries: Storing power in a sheet of paper
...no accident: more than 90 percent of the device is made up of cellulose, the same plant cells used in news... Its essentially a regular piece of paper, but its made in a very intelligent way, said paper co-author Robert Linhardt, the Ann and John H. Broadbent Senio...Unravelling new complexity in the genome
...protein products by processing the RNA transcripts made from genes (which are translated to make protein). We are finding that a significant number of genes operating in the same biological processes and pathways are regulated by alternative splicing differently in nervous system tissues compared to o...Which came first, the moth or the cactus?
...r then understanding this larger puzzle." Having made some progress on the population ecology of mutualism, some of Holland's current work, which is slated for publication later this year, returns to his earlier interests in community ecology. "We want to understand how the structure of mutualistic comm...Bursts of waves drive immune system 'soldiers' toward invaders
...resolution light microscope, the dynamic waves are made of a signaling protein that directs cell movement.... protein push neutrophils toward a chemical signal made by invading microbes. The researchers fluorescently tagged Hem-1 to view its dynamic propulsive powe...Features of replication suggest viruses have common themes, vulnerabilities
...chniques, Ahlquist's group and their collaborators made the first three-dimensional maps of a viral replic...bstrates needed for replication to enter and newly made viral genomes to exit. The virus begins to co-opt the cell as a critical viral protein and viral R...MIT creates 3-D images of living cell
..., the slower the light travels. The researchers made their measurements using a technique known as interferometry, in which a light wave passing through a cell is compared with a reference wave that doesn't pass through it. A 2D image containing information about refractive index is thus obtained. To...New, more direct pathways from outside the cell-to-cell nuclei discovered
...ways in the protozoan resulted from an observation made by Gavin about 10 years ago while simply watching ... phagosomes clustered around a cell's nucleus. "It made me wonder why the phagosomes were positioned in that way," Gavin said. Thereafter, Gavin periodicall...Circadian clock controls plant growth hormone
...me regulation by the clock. Covington and Harmer made plants that would glow when the auxin signaling was active. They found a natural rhythm of activity, peaking late in the night when water is most available and the plants are preparing for daylight. A circadian response to auxin was actually observ...deCODE discovers cause of major subtype of glaucoma
... we might eliminate the disease. The LOXL1 protein made by this gene appears to play a role in the accumulation of microfibullar deposits that causes XFG, providing a promising mechanism to target for developing therapy. We plan to conduct additional studies to examine how we can take advantage of this fi...Gilbert Foundation and American Fed for Aging Research award grants on Alzheimer's disease
...at The Rosalinde and Arthur Gilbert Foundation has made an investment in research that will add to our kno...eneration of scientists will continue the progress made in Alzheimers research allowing us to get one step closer to preventing or curing the disease, he ad...... kilometers) of shoreline. The announcement was made by President Nestor Kirchner of Argentina, the Governor of the Province of ChubutMario Das Nevesand by Argentinas National Park Service. The parks creation represents a joint effort by the Government of Chubut, the National Parks Service of Argentina...New study suggests Concord grape juice may provide protection against breast cancer
...reast cancer is a glass of 100 percent grape juice made from deep purple Concord grapes. According to a ne...some types of cancers, and Welchs 100% Grape Juice made from Concord grapes is particularly high in anthocyanins, potent natural antioxidants that give the ...Research shows skeleton to be endocrine organ
... The researchers found that osteocalcin, a protein made only by bone-forming cells (osteoblasts), was not a mere structural protein, but rather a hormone with totally unanticipated and crucial functions. Osteocalcin directs the pancreas beta cells, which produce the bodys supply of insulin, to produce mor...European Science Foundation's Forward Look reaches out beyond the endless frontiers
.... In the Forward Look Systems Biology a plea is made to create a European road map to develop the Grand Challenge on Systems Biology for Europe. The current invitation for significant Forward Look topics, pronounced by the ESF in July 2007, is expected to initiate once more foresight exercises at th...Sugar and spice and everything nice: Health differences in newborn girls and boys
...enerations, girls have whimsically been said to be made of "sugar and spice and everything nice," and boys from "snakes and snails and puppy dog tails." Inherent in these loving references is the fact that females and males are different, both when they are healthy and when they are ill. Two studies ...Weizmann Institute scientists discover a control mechanism for metastasis
... The protein that increases, on the other hand, is made up of one short arm that only attaches to the anchor point on the cell membrane. Rather than structural support, this protein acts as a kind of plug, blocking the anchor point, and allowing the skeletal protein fibers to unravel into the threads that...Secret life of elephant seals not secret anymore!
...w about these seals has been based on observations made when the seals haul out on sub Antarctic islands to breed, such as the number and physical condition of the animals, Professor Hindell said. In particular, we have had no way to study how the seals interact with their environment and the prey within ......, and year of diagnosis. Separate comparisons were made for men who were diagnosed with testicular cancer between 1973 and 1979 when higher-dose radiation therapy, which may have involved radiation to the chest, was common. The death rates were similar for testicular cancer survivors with second cancers...