Life detection instrument passes key test on road to Mars
...on at the right time to do the right experiment to find life on Mars." Mathies said that his experiment i...ence Laboratory mission - that could unambiguously find signs of life. The experiment uses state-of-the-art capillary electrophoresis arrays, novel micro-va...New miniaturised chip dramatically reduces time taken for DNA analysis
... people, either to establish blood relations or to find criminal evidence; and testing the toxicity of different drugs to establish what damage they may cause to the DNA molecule of disease-causing microorganisms and of cells in patients. "The next step is to mass-produce the sensors", states Salvador Al...Scientists map the world for nature conservation
...eas for which floristic knowledge is very poor, we find the southern Amazon basin and North Colombia, which are two of the world's most biodiverse areas. "There is also little known about the biodiversity that exists in large parts of Pakistan, Afghanistan, Iran, the north of China and, surprisingly, even...Major new UNC-based drinking water study suggests pregnancy fears may be overstated
...hemicals in relation to preterm births and did not find an association," Savitz said. "If anything, we found the opposite -- that higher-exposure populations had slightly lower risks. There was some indication, however, that reduced fetal growth might be associated with higher exposure levels." Particula...Scientists discover odd-ball rodent
...ged from other rodents millions of years ago. "To find something so distinct in this day and age is just extraordinary. For all we know, this could be the last remaining mammal family left to be discovered," Dr. Timmins said. Very little is known about the Kha-Nyou, other than it seems to prefer areas o...Does vitamin C help prevent or treat the common cold? Maybe not, after all.
...a genuine biological effect." But the authors did find evidence that the vitamin 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...Brain Scan Study of Smokers Reveals Signature of Craving
... findings are exciting because we are beginning to find out which brain regions may be involved in cigarette craving," said Jed Rose, Ph.D., director of the Duke Center for Nicotine and Smoking Cessation Research. Smokers who exhibit greater sensitivity to environmental cues might have particular difficu...High-powered gene profiles provide clues to genes involved in common form of lung cancer
...ion cDNA (oligonucleotide) microarray equipment to find chromosome regions containing unusual numbers of gene copies. The technology, developed in conjunction with Agilent Technologies, was 50-100 times more powerful than had been used on NSCLC cells in the past, enabling researchers to identify irregular...Immune system's distress signal tells bacteria when to strike back
... and are ready and willing to strike whenever they find one." He and his colleagues, however, are testing ...rd," Alverdy said. "It lets them know they need to find a new home. They don't take that news any better than we would." A vulnerable host, like a condemne...Stem cells in bone marrow replenish mouse ovaries
...nt therapy. Finally, the researchers would like to find out whether these stem cells could be coaxed to produce eggs in the laboratory, potentially providing a new source of eggs for therapeutic cloning. Johnson et al.: "Oocyte Generation in Adult Mammalian Ovaries by Putative Germ Cells in Bone Marrow a...The making and breaking of microtubules
...microtubules explore their cellular environment to find their goals -- a process crucial to the accurate deployment of spindles during cell division, for example -- and how drugs can be designed and targeted to put a monkey wrench into the growth of cancer cells. "Nucleotide-dependent bending flexibility...Revueltosaurus skeleton unearthed at Petrified Forest upsets dinosaur tale
...ines and Technology in Rapid City - reported their find in the May issue of the journal Proceedings of the... the developing theropods around the world. "This find is a great thing for the crocodilian record, too. Here's this totally unrecognized group of possibly...Agilent Technologies introduces high-capacity human protein removal system for proteomics research
...ines and Technology in Rapid City - reported their find in the May issue of the journal Proceedings of the... the developing theropods around the world. "This find is a great thing for the crocodilian record, too. Here's this totally unrecognized group of possibly...Improved statistical tools reveal many linked loci
... the genome. "We were interested in being able to find combinations of genes that affect the phenotype," ...at those." Typically, researchers might be able to find only one of the genetic factors, even though more than one genetic location contributes to the obser...Proteomics brings researchers closer to understanding microbes that produce acid mine drainage
...d biogeochemical system, and we are just trying to find out how it works," she said. "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 ...Mechanism for the captation of nutrients in plants- unknown to date
... is produced via endocitosis is, fundamentally, to find out if the saccharose captured through endocitosis is that involved in starch production. If this is the case, it will be necessary to discover what are the genetic and molecular mechanisms involved in the process, in order to improve the plant varie...New method shows it is possible to grow bone for grafts within a patient's body
...those of humans, the researchers were delighted to find that this zone, which they have dubbed the "in vivo bioreactor," filled healthy bone in about six weeks. And it did so without having to coax the bone to grow by applying the growth factors required by previous in vivo efforts. Furthermore, they foun...Poaching, logging, and outbreaks of Ebola threaten central African gorillas and chimpanzees
...dle carcasses of infected animals at risk. "If we find ways to protect apes from the Ebola virus, we also will protect humans," the action plan concludes. The action plan designated 12 sites in five countries - Cameroon, Gabon, Congo, Central African Republic, and Equatorial Guinea - that require immedi...Deep thinking: Scientists sequence a cold-loving marine microbe
... bacterium function in this frigid environment? To find out, scientists at The Institute for Genomic Research (TIGR) and collaborators have sequenced and analyzed C. psychrerythraea's genome. That genome analysis, posted in the Proceedings of the National Academy of Sciences (PNAS) Online Early Edition J...A whole lot of shaking goin' on triggers early hatching in red-eyed tree frogs
...y at BU, used parrot snakes and cat-eye snakes, to find which vibrational cues red-eyed tree frog eggs use to trigger early hatching. By inserting a minature accelerometer, a device like a microphone that records vibrations instead of sounds, into clutches of eggs she had collected, Warkentin was able to...