Discovery of dynamic sub-cellular processes could lead to medical applications
...hion. The organelle is a cup-shaped arrangement of layers of flattened sac-like membranes that's located in ...cell's nucleus. Proteins are processed through the layers of the Golgi apparatus, with enzymes in each layer causing modifications as the proteins proceed thr...Research to fine tune studies of geologic time
...graphy, or the use of fossils and sedimentary rock layers to figure out geologic time used by oil companies to map areas that, before, they could map with a resolution of only two to three million years. The studies also will help researchers see the amount of variability within a species or population dur...African bone tool discovery has important implications for evolution of human behavior
...bly used as spearheads, occur above and within the layers in which the bone tools were found. Archaeological...s from above would be clearly visible and the sand layers are clearly undisturbed above where many of the bone tools occur. At other archaeological sites in...Researchers zero in on date of early hominids
...ds. What hasn't eroded are ancient lake deposits - layers of clay, silt and sand - that sometimes contain fish remains and other fossils. That composition, Levi said, is what made Erk-el-Ahmar difficult to date. "Carbon dating is good only back to about 50,000 years, and it depends on the availability of ...Answers to Florida bay restoration are clear as mud!
...d toward extracting data from mollusc shell growth layers that will illustrate monthly, seasonal and annual changes in water chemistry prior to alteration of the natural flow of water into Florida Bay. Results of this work are intended to provide target data for restoring seasonal water flow into Florida B...Hot pepper oil may prevent salmonella in poultry
... hamburgers filled with hot sauce and covered with layers of jalapeno peppers. When they wondered aloud why people like spicy foods even though they often cause a runny nose, watery eyes, and other ill effects, the Mexican student said that people in his country believe that hot foods and spices provide pro...The skin's acid coating: SFVAMC researchers explain its origin and how it maintains skin integrity
... For decades scientists have known that the outer layers of the skin are about as acidic as a bowl of crushed tomatoes. This acidity was believed to help ward off infections by preventing the growth of bacteria. But the source of all this acid and how it helped to maintain the skin's strength and integrit......we face today. Removal of key predators and entire layers of the food chain set off sequences of events that are now culminating in toxic algal blooms, dead zones, outbreaks of diseases and other symptoms of ecological instability. Water so clear you can see a cannon 30 feet down Examples of the negative ch...Scientists identify methane-consuming microbes from ocean depths
...r sulfate-reducing bacterial partners in the outer layers of the aggregate. Since nearly 80 percent of the methane in marine sediments is removed by these methane-consuming microbes, the discovery provides new insight into a critical process. Orphan and her colleagues are excited by the implications of thi...Soil suggests early humans lived in forests instead of grasslands
...re. Ambrose collected fossil soil samples from the layers containing the newly found hominids. One of the fossils was found by team member Leslea Hlusko, also a UI professor of anthropology. Ambrose performed geochemical studies on the samples in his UI laboratory. The region where the fossils were found ...Lithographic technique creates neuronal networks in a dish
...heeler said. "Also, because the brain has ordered layers of cells, we believe that orderly growth will lead to greater insight to brain activity, and we have had to develop techniques for maintaining the orderly growth of the neurons in culture." Working with UI professor Deborah Leckband, the researchers ...Using lasers, biologists succeed in getting cells to change course
...ajor puzzle -- how blood cells can migrate through layers of other cells to sites of infection, Jacobson said. Muscle physiologists studying calcium developed the laser method to uncage compounds some 10 years ago, he said. The UNC researchers also are developing a promising complementary technique ...Writing in Nature, scientists identify genes key to differentiating top from bottom in plant leaves
...aves and parts of the flower, and in the outermost layers of young embryos. Poethig was joined in the research by Randall A. Kerstetter, Krista Bollman, R. Alexandra Taylor and Kirsten Bomblies of Penns Plant Science Institute. Their work was funded by the National Institutes of Health and the U.S. Departm...Heart attack in a laboratory dish
...ids, are asymmetrically distributed across the two layers of the surrounding shell. During a (simulated) heart attack, however, and immediately after it, this asymmetrical distribution is partly lost. The researchers discovered that the absolute number of lipids increased in the outer layer of the membrane ...Researchers discover the ultimate adult stem cell
...cent color dye that sits tightly between the fatty layers of the membrane of cells. These cells were then injected into female mice that had been irradiated, which destroys the cells in the bone marrow. After two days, the stem cells were recovered from the bone marrow of the female mice, and only those cel...UCSD biologists discover new class of genes responsible for embryonic development
... the larger of these cells develops into the outer layers of an organism, such as its skin and nervous system, while the smaller of the two cells develops into the inner portions, such as its muscle, gut and reproductive organs. When one of the genes in this new class is defective, however, the absence of d...In gene therapy first, scientists restore vision to dogs born blind
...into the cells of the retina, which is composed of layers of light-sensitive nerve cells. The healthy gene's mission: to produce a protein critical to translating light waves into nerve impulses that can be interpreted as images by the brain. Scientists from Cornell and Penn, where the experiment was con...First dinosaur found with its body covering intact; displays primitive feathers from head to toe
... Treasure Trove of Fossils in China Consisting of layers of volcanic and sedimentary rock, the Yixian Formation in Chinas Liaoning Province has yielded an enormous variety of fossil fish, birds, insects, reptiles, shrimp, flowers, mammals, and dinosaurs dating back to late Jurassic and early Cretaceous tim......ost animals become divided up into three different layers -- ectoderm, mesoderm, and endoderm. As vertebrate...y regulatory machinery. The invention of groups or layers of cells that could ultimately produce heart, lungs and other key organs which allow humans to thriv......of the Carolinas are viewed in relationship to the layers of marine sediments exposed along the Atlantic coastal plain, a simple explanation of lowered sea level doesn't account for the observed height of the mountains. Many examples of structural deformation of the coastal plain also suggest that tectonic ...