Is the zebra fish leading us to new therapies?
...s transport blood throughout our body. They form a kind of network to bring the necessary nutritional and building materials to organs and tissues and to carry off waste products. So, it is difficult to overstate the importance of blood vessels to a well-functioning body. Disorders in which the blood supp......rofessor of geosciences at Virginia Tech. But what kind of adult would these ancient embryos have hatched into? In 2000, Xiao's team reported the discovery of a coral-like animal that might be a candidate for parenthood (Xiao, S., Yuan, X., and Knoll, A.H., 2000, "Eumetazoan fossils in terminal Proterozoi...Plentiful fossils of dinosaur contemporary allow population study
...ado Convention Center. "It is unusual to have this kind of data to present at the SVP," Casey said, "because the sample sizes are usually so small."...Food shortages threaten Antarctic wildlife
... under the surface of the sea-ice, which acts as a kind of 'nursery'. The Antarctic Peninsula, a key breeding ground for the krill, has warmed by 2.5C in the last 50 years, with a striking decrease in sea-ice. We don't fully understand how the loss of sea-ice here is connected to the warming, but we bel...U-M researcher examines the cell's housekeeping habits
... programmed cell death (PCD). Apoptosis, the first kind of programmed cell death to be characterized, is n... prove useful as well, Klionsky said. In fact, any kind of disease where damaged parts accumulate inside the cell might benefit from being able to control a...Link between immune protein and longer survival in melanoma patients identified
... in patients if their immune cells carry a special kind of marker on the surface, according to a team of researchers at the University of Virginia Health System. The finding is published in the November 1 issue of the journal Cancer Research, found on the web at http://cancerres.aacrjournals.org/ ...A new target for control of obesity
...e role of Shp-2 in live mice. They bred a special kind of mouse in which the elimination of Shp-2 was confined to the mouse's forebrain by using a highly advanced genetic engineering technique called "cell-type specific gene knockout". The progeny were mice with early-onset obesity that had increased le...For yeast, a DNA break ensures sex switch for a grandchild
...hat yeast achieve the switch by enacting a special kind of programmed DNA break at a specific genomic site that controls mating type, the yeast equivalent of gender. When yeast cells divide, their progeny receive the same genomic DNA, yet the fate of the cells of the next generation will not be identi...International marine survey of coral death
...ng water-borne epidemics can leave the terrestrial kind in the dust. A 1999-2000 herpes epidemic in sardines spread along the Australian coast at approximately 10,000 kilometers a year, while a mid-1980s bacterial infection to long-spined urchins ripped through the Caribbean at 3,000 to 4,8000 kilometers ...Award will help unlock mysteries of one of Earth's most important organisms
... ever genomic sequence of one species of diatom, a kind of phytoplankton, and offers surprising insights a...e've just jumped a generation ahead by having this kind of understanding of this genome." The Gordon and Betty Moore Foundation launched its 10-year marine...The blotchier the face, the better the wasp
...p transmits mixed signals, it gets punished. "That kind of aggression has lasting repercussions," she said. "They have less time to feed and to take care of their offspring." Dale said, "Wasps have really sophisticated visual signaling systems. We're just starting to get a window into the kinds of message...Old riverbed keeps chemicals from entering Ohio River
... the buried aquifer and the present-day river in a kind of seesaw motion -- with the chemical pool caught in-between. What is strange is that normally a water source so close to a major river would flow directly into the river, and never in the opposite direction, Svitana said. But in this case, wat...Ancient creature fossilized by the bacteria that ate it
...he first fossil evidence of a completely different kind of bacteria that scientists were unsure even exist...ound nearby, and identified fossils of a different kind of bacteria called archaebacteria. Genetic studies of modern archaebacteria have suggested that this...Acetaminophen shows positive in vivo cardioprotective effects in heart attack, arrhythmia
... "gold standard" in the cardiovascular area: "what kind of cardioprotection a medical agent provides, specifically by measuring the infarct size" in a simulated heart attack, according to Gary F. Merrill, the lead author. The team found that acetaminophen significantly reduced the infarct size by 60% or m...November nutrition news from the Friedman School of Nutrition Science and Policy at Tufts
...s, and even gene expression, which determines what kind of cell a progenitor , or stem, cell becomes, making it a rich target for research on health, disease and aging. --Practice What You Read: Adolescents and Nutrition Labels-- Nutrition labels are generally recognized as a good education tool because...Dinosaurs in bullet-proof vests
...r,' the PhD student Torsten Scheyer explains. This kind of armour was flexible and could thus not break so...ressure. Although modern crocodiles have a similar kind of armour, the individual plates have a much simpler structure. By using a polarisation microscope T...A puzzle posed by black-headed ducks yields to persistent biologists
...ssure on the hosts to evolve defenses against this kind of parasitism," said Bruce Lyon, a professor of ecology and evolutionary biology at the University of California, Santa Cruz. When Lyon and John Eadie of UC Davis set out to study the black-headed ducks, they expected to find a highly successful bro...New bulls may revive the Texas state Bison Herd
...bison but other wildlife as well, Derr said. "The kind of genetic technology we're using with North American bison ...was first developed for humans, and secondly used on livestock species such as cattle," he said. Our hope is that when these studies are completed, they will form a model of the kinds of...Studies in Royal Society journals include stress in birds and depletion of medieval fish stocks
...se in the South, whereas shorter ones generate the kind of patterns seen in the north. Seasonal aggregation along with a population of partially immune birds drives the early spring resurgence of the disease. Thus by looking at mathematical what-if scenarios, we have found some likely causes of these seas...Study: Pigeons can sense the Earth's magnetic field; ability might allow them to return home
...to press little paddles to get food when a certain kind of magnetic field is present in a tank," Lohmann said. "The experiments are progressing well, and the turtles are learning rapidly. I keep telling Cordula that turtles are smarter than pigeons, but she is not yet convinced."...