News articles tagged with 'organism' (Page 2)
Oldest fossils of large seaweeds, possible animals tell story about oxygen in an ancient ocean
— 17 Feb 2011 18:39 | Geology and palaeontologyAlmost 600 million years ago, before the rampant evolution of diverse life forms known as the Cambrian explosion, a community of seaweeds and worm-like animals lived in a quiet deep-water…
Xenacoelomorpha - a new phylum in the animal kingdom
— 17 Feb 2011 17:51 | BiologyAn international team of scientists including Albert Poustka from the Max Planck Institute for Molecular Genetics in Berlin has discovered that Xenoturbellida and the acoelomorph worms,…
Evolution by mistake
— 26 Jan 2011 19:10 | BiologyCharles Darwin based his groundbreaking theory of natural selection on the realisation that genetic variation among organisms is the key to evolution…
Roundworm unlocks pancreatic cancer pathway
— 20 Jan 2011 16:46 | HealthThe National Cancer Institute estimates that more than 43,000 Americans were diagnosed with pancreatic cancer last year and more than 36,000 died from the disease. Despite advances…
New hope in fight against Huntington's disease
— 10 Jan 2011 19:51 | HealthHope for new ways of treating devastating neurodegenerative disorders such as Huntington's disease has been raised by a trans-Atlantic team of researchers thanks to the use of cutting-edge…
Scientists reveal how biological activity is regulated in fruit fly and roundworm genomes
— 4 Jan 2011 21:11 | BiologyScientists today published catalogues of the fruit fly and roundworm's functional genomic elements: DNA sequences in the genome that carry the instructions and determine which genes…
Astrobiologists: Deadly arsenic breathes life into organisms
— 3 Dec 2010 16:59 | BiologyEvidence that the toxic element arsenic can replace the essential nutrient phosphorus in biomolecules of a naturally occurring bacterium expands the scope of the search for life beyond…
BUSM investigates cellular mechanisms leading to immune response in airway epithelium
— 24 Nov 2010 22:45 | HealthResearchers from the Boston University School of Medicine (BUSM) have demonstrated that commensal species of the genus Neisseriae are low inducers of human airway epithelial cell responses…
Mortal chemical combat typifies the world of bacteria
— 18 Nov 2010 12:03 | HealthLike all organisms, bacteria must compete for resources to survive, even if it means a fight to the death…
New long-range undersea robot goes the distance
— 3 Nov 2010 11:26 | EnvironmentOver the past decade, the undersea robots known as autonomous underwater vehicles (AUVs) have become increasingly important in oceanographic research. Today's AUVs fall into two groups:…