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Remembrance of things past influences how female field crickets select mates

RIVERSIDE, Calif. UC Riverside biologists researching the behavior of field crickets have found for the first time that female crickets remember attractive males based on the latter's song, and use this information when choosing mates. The researchers found that female crickets compare the inf...

Does evolution select for faster evolvers?

It's a mystery why the speed and complexity of evolution appear to increase with time. For example, the fossil record indicates that single-celled life first appeared about 3.5 billion years ago, and it then took about 2.5 billion more years for multi-cellular life to evolve. That leaves just a bil...

Beautiful plumage: Feather color and sex start the species revolution

...tific evaluation service, has highlighted research providing evidence for the evolution of a new species. Birds use plumage colour to recognize and select potential mates. A mutation of a single DNA base can lead to a striking colour change, as demonstrated by two closely related flycatcher populations i...

UCSF researchers identify new drug target for Kaposi's sarcoma

...edge, the researchers said, this is the first small-molecule inhibitor of a herpes virus protease to not only act outside the active site, but also to select for the partially unfolded protein to keep it from forming the dimer interface. Herpes viruses make up one of the most prevalent viral families, in...

Nottinghamshire Police First Law Enforcement Agency to Deploy ForensicSoft in United Kingdom

...ionals worldwide. "Nottinghamshire Police has one of England's most advanced computer forensics law enforcement programs and we are proud to have them select ForensicSoft for use within their cyber crime program," said John DiPippo, ForensicSoft's President. This selection by Nottinghamshire Police marks th...

Warming climate threatens California fruit and nut production

...ime to ensure pollination and a normal yield. Planning for a warmer future Fruit and nut growers commonly use established mathematical models to select tree varieties whose winter chill requirements match conditions of their local area. However, those mathematical models were calibrated based on past ...

New Report Just Published: World Solid-State, Fiber, Gas and Dye Lasers Market Report

...re mostly extracted from URL research and reported select online sources. SOLID-STATE, FIBER, GAS ... Applications II-17 Segmentation II-17 select Solid-state Lasers and their Output Wavelength II-...t Numbers II-21 Competition II-21 Entry of select Players in Fiber Lasers Market II-21 Key Advan...

Spontaneous assembly

... of scientists has taken a unique look at how thousands of bacterial membrane proteins are able to assemble into clusters that direct cell movement to select chemicals in their environment. Their results provide valuable insight into how complex periodic patterns in biological systems can be generated and r...

Chromosomal problems affect nearly all human embryos

...e surprising finding meant that current techniques used in preimplantation genetic screening (PGS), where embryos are screened genetically in order to select the best embryo for transfer, do nothing to improve pregnancy and live birth rates. Indeed, it can lead to potentially viable embryos being discarded,...

New, less invasive genetic test greatly improves pregnancy rates in older women with poor prognosis

... abnormalities in human eggs is closely related to maternal age, and can affect more than 60% of all eggs in women over 40 years of age. Being able to select the right egg can not only lead to more successful IVF, but also enhance the use of single embryo transfer, especially in countries where embryo testi...

Natural-born divers and the molecular traces of evolution

... of insectivores, and combined it with the analysis of already published sequences from other species to reach their conclusions. They were careful to select species with close terrestrial relatives that could be used as a natural control group during the sequence comparison, so that differences at the mole...

UCLA cancer researchers develop model that may help identify cancer stem cells

...s. In one theory, all the cells of a tumor are the same, with an equal capacity to divide and form new tumors. The other theory holds that only a few, select cells from a tumor have the ability to initiate a new tumor - the cancer stem cells. In the last decade, scientists have been able to isolate leukemia...

Researchers from around the globe coming to K-State June 21 for workshop on Fusarium fungus

...e potency of the fungus lies in the diseases that it causes and because it produces mycotoxins, a couple of which are on the U.S. federal government's select agent list. "Mycotoxin levels often are included in trade agreements on grain and farmers can get docked at the elevator if the contamination level...

Saved by junk DNA

...king biological evolution, using yeast cells as Darwinian guinea pigs. Their results show that when a repeat is present near a gene, it is possible to select yeast mutants that show vastly increased activity of this gene. However, when the repeat region was removed, this fast evolution was impossible. 'If t...

Striata and CIC Launch Integrated eSignature, eDelivery, and eBilling for the Financial Services Industry

...c signature based solutions which enhance the customer experience while providing an exceptional competitive advantage. "We continue to identify select integration partners capable of expanding our technology within key vertical market segments," stated Guido DiGregorio, CIC's Chairman & CEO. "We...

Minnesota Counties Secure New Criminal Charging System With BIO-key(R) Fingerprint Biometrics

...as the previous process could take up to a full day, especially if officers had to travel a long distance. The new eCharging system will start in select St. Louis County jurisdictions, and then expand across the county into other parts of the state this summer. It is being deployed in branches of the c...

Did the North Atlantic fisheries collapse due to fisheries-induced evolution?

...r. The genotypes at the locus are directly related to behavioral types that select deep vs shallow water habitat by genotype. "There is no direct targeting...es. Instead the intense selection results from the interaction of fish that select their habitat by genotype and fishermen choosing to fish in the preferred h...

Bolivian rainforest study suggests feeding behavior in monkeys and humans have ancient, shared roots

... of observation. Figs were particularly popular. The monkeys rarely ate insects, which are rich in protein. The spider monkeys did not specifically select either the most energy-rich or the most protein-rich foods that were available, and the daily amount of food they ate varied quite widely, averaging a...

Computer model predicts brain tumor growth and evolution

...nvisions using the computational model to find targets for personalized medical therapies, enabling it to quickly identify molecular targets, and then select from existing treatments or design new treatments to stop the tumor. ...

Carbon measuring system to help mitigate climate change

...rs and other land users to look at the present carbon situation above and below ground and at alternative land management scenarios. It will help them select agricultural and agro-forestry options to lower carbon emissions, increase the removal of carbon from the atmosphere and its storage in vegetation and...

UCSB scientists document fate of huge oil slicks from seeps at coal oil point

...graph (GCxGC). "What we saw is that we can link the seep oils to the oils in the sediment," Valentine said. "We can do that through the composition of select molecules that are specific to the oils from the seeps. So, being able to link them, and being able to quantify how much is there, we can see the patt...

Bacteria create aquatic superbugs in waste treatment plants

...and replicate along with the bad. In the confined space, bacteria share resistant genetic materials, and remaining antibiotics and other stressors may select multi-drug resistant bacteria. While scientists learn more about so-called superbugs, patients can do their part by not insisting on antibiotics f...

Striata and CIC Launch Integrated eSignature, eDelivery, and eBilling for the Financial Services Industry

...c signature based solutions which enhance the customer experience while providing an exceptional competitive advantage. "We continue to identify select integration partners capable of expanding our technology within key vertical market segments," stated Guido DiGregorio, CIC's Chairman & CEO. "We...

Conservationists seek to identify prime stopover sites for migrating birds

...rn part of South America. The fieldwork conducted by the volunteers will help verify a model that uses geographic information systems technology to select optimal resting locations based on distance from the lakeshore and the extent and diversity of wood cover. A pilot phase funded with $35,000 from t...

New and improved tomato analyzer

...ude ratios that better explain the fruit shape. However, the Tomato Analyzer provides both methods in the same application, allowing the researcher to select the option that best suits the project's needs. A main objective of the study was to investigate the quantitative trait loci (QTL), which are parts...

Princeton geoscientist offers new evidence that meteorite did not wipe out dinosaurs

...he and her team of students and collaborators found populations of Cretaceous age foraminifera, one-celled ocean organisms that evolved rapidly during select geological periods, living on top of the impact fallout from Chicxulub. The fallout from the asteroid that struck Chicxulub is visible as a layer of g...

Mites on hissing coackroach may benefit humans with allergies

...Disease Control and Prevention (CDC) as common indoor molds. "The presence of the mites caused a reduction in all fungi on the surface, not just a select few kinds of fungus," said Jay Yoder, a professor of biology at Wittenberg University and lead author of the study. About 20 to 25 mites live on ea...

DOE makes largest Danforth Campus research award in history

...adjunct professors of biology. The objective of the Center for Advanced Biofuel Systems is to increase the thermodynamic and kinetic efficiency for select plant and algal-based fuel production systems. A unique feature of the Danforth Center's approach is the integration of all aspects of plant metabolis...

FluChip technology licensed to combat deadly flu virus

...luenza A viruses that cannot be subtyped using existing diagnostics to the CDC for analysis by genome sequencing or viral isolation. The CDC must select viruses to analyze since it is not possible to run every sample collected from a large number of Public Health Labs. The M-gene based FluChip has b...

UTSA, Health Science Center collaborate with Merck & Co. to develop chlamydia vaccine

..., whose collaborative team of researchers was the first to demonstrate that, in animal models of genital chlamydial infection, a vaccine composed of a select group of recombinant C. trachomatis antigens can successfully accelerate bacterial clearance, and importantly, preserve female reproductive function...

DNA blueprint for healthier and more efficient cows

...ustry and has the potential to dramatically alter beef cattle industries as well," Dr Barendse said. These new genetic tools may provide a means to select more energy-efficient animals with a smaller environmental footprint, particularly animals that produce less greenhouse gas. ...

BIO-key(R) International Showcasing Biometric Identification Technology at 2009 RSA Conference

...minder platforms. All BIO-key identity deployments can take advantage of BIO-key's finger reader independence and interoperability that allow users to select the appropriate fingerprint reader from any of the major manufacturers. BIO-key will feature their newest release of WEB-key(R), with Citrix P...

Sequencing the cow's genetic code -- a new agricultural era dawns

...l. The large-scale undertaking mobilized more than 300 scientists from 25 countries over six years. The findings of this study provide the means to select animals with a smaller environmental footprint, particularly animals with less greenhouse gas emissions. "The bovine genome is more similar to that...

Free online toolkit provides standard measures for genome and population studies

...on the secure PhenX Web site. Researchers who choose to register will be given a password-protected account that allows them to save the measures they select for their studies. In the long term, the PhenX Web site has plans to develop a social networking platform that will allow registered researchers to in...

UGA licenses invention that kills food-borne pathogens in minutes

...nge of applications for the company's current anti-microbial food wash. The exclusive license, which includes sublicensing rights, is effective in select countries around the world, including the U.S. The new technology, invented by scientists from the University of Georgia Center for Food Safety, ca...

Health benefits, consequences of folic acid dependent on circumstances

... circumstances, adequate intake of folate appears to assume the role of a protective agent against cancer, most notably colorectal cancer. However, in select circumstances in which an individual who harbors a pre-cancerous or cancerous tumor consumes too much folic acid, the additional amounts of folate may...

Montana State grad's work helps diagnose skin cancer without a biopsy

... the light can tell scientists the chemical composition of the skin cells -- a process called spectroscopy. "Within the microscope's image, we can select an area of interest, and from that we can take a spectrum and get chemical data," Arrasmith said. Doctors would then compare that chemical signatu...

It's for the birds

...ned onto our website and then converted, solely by volunteers, into our database. Birders who want to concentrate on one particular group of birds can select that group or even a particular species. And if you live in the Baltimore-Washington area and would like to help the volunteer crew work with the hist...

Researchers identify genetic markers for aggressive head and neck cancer

... genetic markers that signal poor outcomes for patients with head and neck cancer. These findings could one day lead to a genetic test that could help select or predict successful treatment options for patients with this type of cancer. The results were published in the American Journal of Pathology . ...

Fly like a bird through boom and bust

...driven by the effects of glaciation on the Australian environment," Dr Joseph said. "Boom cycles provide a bigger pool of individuals from which to select the next generation and when the bust sets in many of those individuals and their genes are eliminated through natural selection." Dr Joseph and co...
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