A bizarre new predatory dinosaur unearthed on Madagascar
...s finding indicates that a previously unrecognized radiation of small-bodied predatory dinosaurs spread across much of the southern hemisphere toward the end of dinosaur times, paralleling the Late Cretaceous radiations of small-bodied theropods (such as dromaeosaurids and ornithomimids) in the northern hemisp......ps 60 million years; and within a much more recent radiation of plants in Hawaii, which is probably less than 10 million years old. Contact: Michael Sanderson, Evolution and Ecology, 530-754-9229, mjsanderson@ucdavis.edu ....Plants as plants: gene could convert crops to plastics factories
...protect them from insects, disease and ultraviolet radiation in sunlight. They do this by combining (or to use the scientists preferred term, conjugating) the molecules with other molecules to produce stable, soluble forms of the compound that are stored in small structures, called vacuoles, within the cells. ...Volcano helps meteorologists find answer to climate change mystery
...as painting a house roof white: They reflect solar radiation back into space. "The aerosols over eastern China ...o result in higher temperatures by absorbing solar radiation especially in the winter, when more coal and wood is burned. The research by Saxena and his colleag...UC Davis science, engineering and technology newstips -- March
...udy minute temperature variations in the microwave radiation that fills the universe. The microwave background represents the universe when it was only a few hundred thousand years old, said Knox. Around that time, the hot plasma from the Big Bang cooled and settled into atoms. The universe became transparent...Stratospheric balloon constellations for Earth science
... problems. Tropical atmosphere circulation, global radiation balance, and polar ozone depletion could be studied from a global or regional network of instrumented balloons. These networks could assist in pollution monitoring, weather and hurricane forecasting and tracking, and global circulation studies. As th......t patients respond fairly well to chemotherapy and radiation after diagnosis, but within a two- to three-year period most relapse, said Lei Xiao, an assistant professor of anatomy and cell biology at UFs College of Medicine and the UF Shands Cancer Center. Those patients, if previously treated with chemotherap......study, Warren and his colleagues measured how much radiation the tumbleweeds took with them from two waste pond...kali), carried out a total of 66 megabecquerels of radiation and spread it over a 32-hectare area. "The activity from those tumbleweeds made a relatively sma...Study to focus on diet, nutrition and weight loss in cats with cancer
...ment, which may include surgery to remove a tumor, radiation and chemotherapy. Eventually, Ehrhart said, researchers want to help the pet-food industry develop specialized cancer diets that provide the proper nutrition and which cats can and will eat. The study will require researchers to treat cats with a v...Amphibian mortality linked to climate change
...es in Oregon to elevated level of exposure to UV-B radiation in sunlight, and also to infection of embryos by a...e known for some time that elevated levels of UV-B radiation can cause stress and higher levels of mortality to embryos of the western toad and some other specie...Chemistry of life in outer space is topic of two-day symposium, April 4-5
.... Grant hotel, Crystal room.) Effect of UV radiation on amino acids - Pascale Ehrenfreund, Ph.D., of the Leiden Observatory in the Netherlands, has found that amino acids degrade readily when exposed to ultraviolet radiation. This places constraints on the number of amino acids that can survive in some...Saharan dust "cools" climate warming estimates
...e found that dust particles absorb much less solar radiation than previously thought, reducing the amount of so...where dust lingers in the atmosphere, because that radiation is reflected back into space. The Saharan dust absorption results are likely to be representative ...Pooling worldwide data about childhood tumors helps researchers gauge aggressiveness of treatment
...g with the conventional treatment of chemotherapy, radiation and surgery. "MYCN amplification is the most impor...e boy received intensive doses of chemotherapy and radiation to kill tumor cells. Because those high-dose treatments also killed healthy blood cells, his stem ce...Grant accelerates race for lung cancer cures
...adiation Oncology, includes two clinical trials of radiation therapy in combination with "angiogenesis inhibitors," agents that block the development of new blood vessels. The trials will test a new agent that blocks the vascular endothelial growth factor (VEGF) along with radiation, a combination that earli...Cell Genesys reports antitumor activity in Phase I/II GVAX lung cancer vaccine trial
...ll lung cancer who have failed chemotherapy and/or radiation therapy. These data were presented on behalf of t...of whom had failed chemotherapy and one who failed radiation therapy, showed a complete disappearance of metastatic tumors following treatment with GVAX lung can...Genetically engineered poliovirus fights brain tumors
...lways fatal, due to very poor response to surgery, radiation and chemotherapy," says Matthias Gromeier, in whose laboratory the research was conducted. "We have developed a new form of therapy against malignant glioma based on viruses that can cause brain infections in humans." The creation of this new ther...International scientists probe unsolved puzzles of the Earth and beyond at "Earth System Processes"
...under a CO2-rich atmosphere, made possible by weak radiation from the faint young sun, and other radically different conditions of the Earth at that time. He proposes that the Snowball theory is really a "no-ball" theory. Lee R. Kump, Department of Geosciences at Penn State University, will present an innova....... As an added plus, digital mammography uses less radiation than conventional mammography. The Mobile Breast Care Center will be dedicated on June 8, at 10 a.m. at The Johns Hopkins University Applied Physics Laboratory in Laurel, Md., where it has been undergoing tests. Attending the dedication will be repr......that some tumors don't respond to certain forms of radiation and chemotherapy." Most chemotherapeutic agents work by selectively killing actively dividing cells, meaning that many quiescent, or non-dividing, tumor cells are immune to treatment. Suspended animation also has a role in the growth of normal cells,......igher levels of a certain type of ultraviolet (UV) radiation reaching the earth's surface. Previous testing has shown that higher UV-B levels increase the risk of skin cancer, harm plant life, reduce the population of sea life and contribute to the increase of carbon dioxide and other greenhouse gases believe...