New hope for neurodegenerative disease sufferers
...ey store enough sperm to use it for nearly all the rest of their life. After they have mated, female fruit flies chase away any male that tries to court them, and males learn not to court females that have chased them once. But males with impaired learning abilities keep courting females on and on. The ...Immune system helps prevent tumors after all
... of 11 normal mice had noncancerous tumors and the rest were tumor-free. In contrast, all 12 RAG2-deficient mice had developed tumors, half of which were cancerous. Surprisingly, all 11 mice lacking both RAG2 and Stat1 developed cancerous tumors. Six expressed cancerous breast tumors well before 15 mon...Genetically modified earth plants will glow from Mars
...ich is extremely low. But Ferl, Schuerger and the rest of the team are taking all bettors. "I have no doubt that we can get plants to survive on Mars," Ferl said. "When we do, we will have shown that Earth-evolved life is capable of thriving in distant worlds, and we will have set the stage for human co...First dinosaur found with its body covering intact; displays primitive feathers from head to toe
...niverse and our planet that link seamlessly to the rest of the Museum. The Museum shares its treasures and discoveries with approximately five million on-site visitors from around the globe each year. In addition, the Museums Web site, www.amnh.org , extends its collections, exhibitions, and educationa...In gene therapy first, scientists restore vision to dogs born blind
...ses an estimated 15 percent of LCA cases, with the rest attributed to other mutations. Efforts are under way to develop gene therapy approaches to combat those other mutations. In the experiment, three Briard puppies had their right eyes treated late last year with a single injection of thousands of copi......ents with compromised lungs, allowing the lungs to rest and heal. "It's an alternative means of breathing," stated Dr. Hattler. A clinical trial of the device, called the Hattler Respiratory Catheter, is expected to begin in Europe in about a year. It will be only the second time an implantable ar...Effects of iron-deficiency anemia in infants linger
...eedy transmission of signals from the brain to the rest of the body or from the periphery back to the brain. Without myelin, signals cannot be transmitted as efficiently. Much myelin formation takes place early in a child's life. The collaborative U-M and University of Chile study examined 84 Chilean chil...Smart polymers provide size-selective switches to turn proteins on, off
...fic molecule from the sample and hold it until the rest of the blood had been washed away. The proteins could then be prompted to release the desired material. This switch idea in combination with the shield concept allows you to discriminate on the basis of size, Stayton said. It adds a greater level ...Discovery of 'tidal giant'--a new Egyptian dinosaur--reported in Science
...llow waters. But that doesn't mean that this final rest was undisturbed. Smith and colleagues also uncovered evidence that the skeleton was scavenged by another dinosaur. "The skeleton was spread around in sort of an odd way, and the bones weren't separated at the bone sutures. In fact, the pelvis was r...MSU study finds new microbial source of nitrogen fixation
...s, whose food is very low in nitrogen, but for the rest of the world as well. Despite their reputation as destructive pests, termites occupy an important ecological niche as decomposers of dead plant material such as wood, releasing the degradation products back for use by other organisms. "Given the ubi...Tiny trickster flies into the zoological books
...t thirty years, and that is high compared with the rest of theworld," he said. Students learn the hierarchy of their zoological groups through themnemonic: King Prawns Caught On Friday Get Stale. Within the animalKingdom, there are thirty or so major groups, each known as a Phylum.Insects form one Class o...DNA analysis of salamanders turns up new species under almost every log, UC Berkeley zoologists find
... tails that stretch nearly twice the length of the rest of the body. Wake and Parra-Olea found from their DNA analysis, which included many of Mexico's tropical lowland salamanders, that Lineatriton and Oedipina are not closely related either. "These findings give us insight into the patterns of convergen...Benefits from Alzheimer's plaque-producing reaction? Science study proposes role in gene expression
...e's DNA sequence, and help provide a hookup to the rest of the transcription machinery. The Science authors found that the APP tail did help activate transcription, when it was bound with two other molecules. One, calledTip60, is part of a large complex of other transcription molecules. The other, Fe6...Battle to save last stronghold of the red squirrel
...ope to receive support to expand their work to the rest of Kielder District as the survival of the species as a whole depends on careful management of the forest habitat. The work has the potential to be applied to conservation areas for squirrels and other endangered species. Wildlife experts estimate up...Genetically engineered tomato plant grows in salty water
...tashed inside the vacuoles it is isolated from the rest of the cell and unable to interfere with the plant's normal biochemical activity. These genetically engineered salt-tolerant plants actually remove salt from the soil. And because their salt-storing activity occurs only in the plants' leaves, the qua...NSF program director press statement on dinosaur nasal discovery
... hard, but learning the rules for how to place the rest of the animal on those bones may be even harder. While the connection to dinosaur biology is what will excite most people, Witmer's results are significant for two other reasons. First, they expand our knowledge of soft tissue anatomy in birds, rep...Dinosaurs' large noses may have been key to physiological processes
...ogy. "But learning the rules for how to place the rest of the animal on those bones may be even harder. Because both the general public and many biologists are keenly interested in dinosaurs, new tools for reconstructing the anatomy and biology of dinosaurs are valuable. What's exciting about Witmer's f...Book examines ethical, advocacy issues in biomedical research
...l require advocates, scientists, officials and the rest of us to become more realistic about the sort of salvation science can offer," she adds. To reduce public confusion about the differences between experimental interventions and established therapies, advocates should promote straightforward informat...Genetic secrets of metal-eating plants uncovered
...les are membrane-lined structures that protect the rest of the cell from the toxic effects of the metal. Interestingly, the protective membranes that surround the vacuoles closely resemble cell membranes in the human liver that serve a similar function. Scientists aren't completely sure why some rare plan......he PEDF vector injected directly into the eye, the rest of the body is spared the exposure to high levels of PEDF....