Scientists reinvent DNA as template to produce organic molecules
...nd within cells at concentrations that are often a million times lower than the concentrations of molecules in laboratory reactors. In nature, the reactions between these highly dilute molecules are directed by enzymes that selectively bring certain biological reactants together. Liu and his colleagues are n...Illustrated guidebook published for Chinese biomedical scientists and students
Of the half million students from foreign countries studying in the United States, the largest proportion originate from mainland China, Hong Kong, and Taiwan. China is among the top six countries of origin of foreign-born scientists and engineers employed in the U.S. L...Nucleic acid-amplification testing further safeguards nation's blood supply
...ted with blood transfusion to approximately 1 in 2 million blood units. In comparison, other blood screening tests are associated with rates of 1 in 1.5 million for HIV-1 and 1 in 276,000 for HCV. Blood donors have been tested for evidence of HIV infection si...UCR earns $1.5 million grant to examine how engineered crop genes stray
...Science Foundation has awarded UC Riverside a $1.5 million grant to research the unintended spread of engineered plant genes, an issue at the heart of the controversy over genetically modified foods. That phenomenon was illustrated recently when engineered genes from corn grown in the United States strayed ...New clues to hereditary blinding disease found
...nherited disease that causes blindness in over one million people worldwide, Dartmouth Medical School researchers have discovered a critical role for zinc in retinitis pigmentosa. The amount of zinc, a trace metal naturally absorbed by the body, can determine whether a key protein for vision functions normal...Anti-bacterial additive found in Maryland streams
...t for almost half a century at rates approaching 1 million pounds per year and still have essentially no idea of what exactly happens to the compound after we flush it down the drain. Further studies are needed to determine the effect of triclocarban on aquatic life and potential pathways of unwanted human e...Embryonic stem cell therapy shows steady benefits in rebuilding infarcted heart
...ebrovascular diseases alone caused an estimated 17 million or 23.2% of deaths globally in 2000, WHO reported. A contributing cause of what some have called a pandemic is that in contrast to many other organs in the body, the heart has only a minimal capability for self-renewal, leaving most current therapi...Scientists visualise cellular handmaiden that restores shape to proteins
...e than six digits of atomic coordinates, or over a million atoms in the structure mapped and plotted in 3D space. Professor Iwata is well known for solving the structure of proteins embedded in the membrane of cells, such as the crucial photosynthesis enzyme Photosystem II, published last year in Science. Th...Using statistics to decipher secrets of natural mutation
...ionary time. They focused their analysis on a 1.7 million base pair DNA segment known as the "greater cystic fibrosis transmembrane conductance regulator region," which was sequenced in the 19 mammals by Eric Green and his colleagues at the National Human Genome Research Institute. To concentrate on the neu...Gene duplication allowed pigs to have more babies
...hat started during the Oligocene period, around 35 million years ago. Their investigations drew on the geol...ated twice, to give three genes, between 27 and 38 million years ago. By analysing the genetic sequence from two living relatives of Sus scrofa, peccary and ba...Possible new cure for psoriasis
...stigative Dermatology (Vol. 123, No. 3). About two million Germans suffer from psoriasis (from the Greek psora meaning 'itching, scratching'). In this incurable disease the regeneration of the epidermis is speeded up enormously: whereas it normally renews itself in just under four weeks, this period is cut t...Technology already exists to stabilize global warming
...nvestigations of the Earth's climate over the last million years show that various factors, such as changing carbon dioxide levels, tend to reinforce each other and cause the temperature "to switch all at once" as it has during previous ice ages, Pacala said. "We understand those feedback mechanisms somewhat...Gene changes linked to increased eye pressure may have implications for glaucoma therapy
...coma, a blinding eye disease that affects about 70 million people worldwide, and the new findings may have implications for treating this disease. The study currently appears in the online October issue of the Journal of Cellular Physiology . "Pressure is required in the eye to keep its shape, and this ...Evolution of whale hearing unfolds in fossil record
...ns, pakicetids (those that swam in ancient seas 50 million years ago), used the same sound transmission syste...tonocetids and protocetids (those that lived 43-46 million years ago), retained the land-mammal system, but also developed a new sound transmission system. "...T. rex owes its giant size to the ultimate teenage growth spurt
... lot, immediately adjacent to the building.] Seven million people have seen Sue at The Field Museum since it ...ld at the time of death, although the fossil is 67 million years old. For more information on Sue, visit http://www.fmnh.org/exhibits/exhibit_sites/sue/defaul...APS announces the winners of its 2004 postdoctoral fellowship in physiological genomics
...ually since 1995, APS has contributed more than $1 million to physiological genomics research. For more information about APS and its Postdoctoral Fellowship in Physiological Genomics go to http://www.the-aps.org/awards/student.htm#Postdoc or contact Stacy Brooks at 301-634-7253 or sbrooks@the-aps.org ....New OHSU lab will speed drug discovery process
...BSR is supported by the Oregon Opportunity, a $500 million biomedical research funding initiative, which paid for the purchase of two mass spectrometers and two high-pressure liquid chromatography instruments. The lab's first spectrometer was purchased through a joint venture between the Department of Physio...Growing pains: T. Rex was teenage giant
...aurus rex as it ascended to adulthood more than 65 million years ago, according to a Florida State University...ig. The first dinosaurs to roam the Earth some 225 million years ago were about a yard long and weighed between 50 to 100 pounds, he said. The giants, such a T...Water on Mars not easy to find, says Texas A&M researcher
... and experiments. One of the key goals of the $820 million NASA mission was to locate the presence of large quantities of water on Mars, which scientists believed were once there mainly in the form of large lakes and perhaps even small seas. Only the results of the Spirit rover are detailed in the articles...Despite darkness, nocturnal bees learn visual landmarks while foraging at night
...eriencing light intensities that are more than 100 million times dimmer than daylight. The new findings, reported by a team led by Eric Warrant of the University of Lund, Sweden, advance our understanding of the visual powers of nocturnal animals. The competitive and dangerous world of the tropical rainfores...