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Tag: "extreme" at biology news

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

...o at Boulder researchers saybodes well for life in extreme environments on other planets and couldadd to unde...said.There are many examples of bacteria living in extreme environments --including the human body -- using hydrogen as fuel, according to Spear."Recent studie...

The secret lives of whales

... fats and proteins inside. “They are an example of extreme evolutionary novelty,?says Smith, “a new feeding strategy that scientists never dreamed of …?Sometimes the worms are so abundant on the whale bones, it looks like a waving lawn of grass. While the first zombie worms were described only a few months a...

Researchers find missing genes of ancient organism

...nd extremophile, or notable for living in the most extreme environments. Surprisingly, Söll's team found tha...that has rid itself of genetic baggage to exist in extreme environments." Understanding how primitive organisms like Nanoarchaea operate gives clues to -- but...

Ants Genetic Engineering Leads To Species Interdependency

...very.Indeed, these traits have been taken to their extreme in many antspecies, such as the case of slavemaker ants, which have become sospecialized for raiding food from the colonies of other ants that theycan no longer feed themselves or raise their younger siblings.Recent work on ants suggests that we may ...

Development of portable infectious disease detector

...logicalactivity of large numbers of compounds with extreme rapidity and socould have a major impact on the drug discovery process.Fifteen years ago a number of start-up companies were created to makethe goal of creating a "lab-on-a-chip" a reality. However, puttingmicroscopic arrays of channels, pumps and va...

New protein discovered by Hebrew University researchers

...entical units, makingit exceptionally resistant to extreme conditions. These qualities arerarely found among proteins and make the SP-1 a promising candidate fora multiplicity of uses in developing medicinal applications in therapidly growing field of nanobiotechnology.SP-1 nanocapsules will be capable of de...

The death of a very special chimpanzee

...entical units, makingit exceptionally resistant to extreme conditions. These qualities arerarely found among proteins and make the SP-1 a promising candidate fora multiplicity of uses in developing medicinal applications in therapidly growing field of nanobiotechnology.SP-1 nanocapsules will be capable of de...

Robot-based system developed at Carnegie Mellon detects life in Chile's Atacama desert

... greater UV resistance because they are exposed to extreme UV radiation in the desert environment. This characterization also may explain why such a high proportion of the bacteria from the most arid site are pigmented ?red, yellow or pink ?as they grow in the laboratory, according to Minkley. The first pha...

Discovery Promises Simpler Therapy for Sickle Cell Disease

...standing puzzle: patients with sickle cell exhibit extreme variability in the severity of their symptoms, despite the fact that the disease stems from a single genetic defect, Stamler said. "This finding, if verified in clinical trials, could change physicians' approach to sickle cell disease," Stamler said...

Nanoscale Diagnostic Sets Sights on Alzheimer's

... the National Academy of Sciences. Because of the extreme sensitivity of the BCA process that Mirkin's team developed, the researchers were able to detect within each fluid sample a miniscule amount of proteins called amyloid ß-derived diffusible ligands (ADDLs). The goal is to detect and validate infinites...

Marburg haemorrhagic fever in Angola update

... fever, and the conditions in Angola, have been an extreme test of international capacity to hold emerging di...reaks of Marburg haemorrhagic fever difficult: the extreme rarity of this disease and its similarity to other diseases seen in countries where deaths from infe...

Advancements In Genomics Foster Deep Sea Discoveries

... they wondered, could withstand the dark, cold and extreme pressure of such an environment? Researchers at Scripps Institution of Oceanography at the University of California, San Diego, and their colleagues have used innovations in genomics research to begin to develop an accurate portrayal of deep sea lif...

Secret of smallpox's success may lead to bioterror cure

...ne is also not with its challenges. Because of the extreme dangerousness of the smallpox virus, the effectiveness of the vaccine cannot actually be tested through clinical trials on humans. Instead, the vaccine is tested on mice and other animal models, using viruses closely related to smallpox that are leth...

Insects, viruses could hold key for better human teamwork in disasters

...ng first responders, including civil engineers, to extreme events involving critical physical infrastructures...tal engineering at Illinois. "The manner in which extreme events are addressed will influence the future of our cities, as well as redefine the role of the ci...

An (ecological) origin of species for tropical reef fish

...a. Coral reefs, like tropical forests, express an extreme of life's capacity for variation. Yet high biodiversity in tropical seas foil evolutionists' attempts to explain the splitting of one species into two on the basis of geographical barriers. According to standard evolutionary theory proposed by Dobzha...

A probe, not an echo

...lution, the system can locate tissue features with extreme precision in a objective, fixed-coordinate 3D grid, crucial for guiding surgical procedures. *Scans can be performed in a matter of a few minutes and because they are ultrasonic, they do not use potentially harmful ionizing radiation. *The system r...

Census of Marine Life explorers surprised by diversity, density of Arctic creatures

... and other animals have been found thriving in the extreme cold, thanks to a landmark voyage during the brief polar summer aboard an American ice cutter. News of the marine discoveries in the far north coincides with announcement of seed funds for a matching effort in the Antarctic. The 30-day "Hidden Ocea...

Does vitamin C help prevent or treat the common cold? Maybe not, after all.

...amin could help prevent colds in people exposed to extreme physical exertion or cold weather. They found six studies in which the vitamin or a placebo was given to marathon runners, skiers and soldiers exposed to significant cold and/or physical stress. Those taking the vitamin experienced, on average, a 50%...

UN: World in big ecological mess

...eek to slash a host of socio-economic ills such as extreme poverty and hunger by 2015. "The overriding concl... challenges in achieving the MDGs, such as halving extreme poverty by 2015. In sub-Saharan Africa the number of poor is forecast to rise to 404 million in a de...

Proteomics brings researchers closer to understanding microbes that produce acid mine drainage

...aid. "This microbial community is thriving at the extreme edge," added co-author Bob Hettich, a member of ORNL's Chemical Sciences Division. "A pH level of 0.8 is like swimming in sulfuric acid, so we'd like to know how this community can survive and how we might be able to use this information to better un...

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