Ancient greenhouse emissionspossible lessons for modern climate
...If you go back in time, you have to go back to the middle Pliocene before you get to see a climate that was ...sort of temperature rises that occurred during the middle Pliocene, Chandler said. That raises the possibility that human-induced global warming could trigger...Phytoplankton bounce back from abrupt climate change
... caused either by Oceanic Anoxic Events during the middle Jurassic to late Cretaceous when the oceans became...n to the atmosphere. "Today, we are sort of in the middle of a mass experiment," says Bralower. "With the oceans warming, we do not really know what the end ...UCLA engineering and Mattel Children's Hospital collaborate to develop children's heart valve
...and butterfly design that opens or hinges from the middle of the valve rather than the edges," said UCLA mechanical and aerospace engineering professor Gregory Carman, who, along with UCLA researcher Lenka Stepan, crafted the valve. "The unobtrusive leaflets within the valve mean there is no obstruction to ...University of Kentucky author captures national attention with 'Lost Mountain'
...e systematic obliteration of a peak located in the middle of what scientists regard as the North American rainforest because of its remarkable density and diversity of plants, birds, and animals. The mountain was also situated in Eastern Kentucky, one of the poorest places in the country, where coal mining ......e fronts across geographical areas, because in the middle ages people could typically only travel a few kilometres a day. The speed with which epidemics could spread was thus kept in check. It took the plague three years to move up the European continent, south to north, with an average rate of spread of ab...Chronic drinking and smoking cause both separate and interactive brain injury
...ory impairment in the elderly and, if occurring in middle age, may increase the risk for earlier and more rapid cognitive decline in old age. Therefore, smoking alcoholics, particularly those who are in their late 40's or older, may place themselves at even greater risk for abnormal cognitive function with...Public support for environmental protection on the decline
...ebt pay-down, federal income tax reduction for the middle class and campaign finance reform. From 1999 to 20...3 percent) and reducing federal income tax for the middle class (20 percent), and comparable to regulating managed health care plans (13 percent). Job creatio...Extinctions linked to climate change
...ed to widespread extinctions of harlequin frogs at middle elevations of mountainous regions. In a commentary article in that same publication, an OSU scientist who pioneered the study of global amphibian decline said this is another key example of unanticipated and complex impacts from climate change. The C...New insights into neural tube defects
... of cells within the neural tube to migrate to the middle of the developing neural tube. A study in this week's issue of Nature is the first to report on the molecular mechanism that directs cells to migrate to the correct local within the developing neural tube of vertebrates. Marek Mlodzik, PhD, Pro...Study fishes out new role for prostaglandins
...forms the gut and associated digestive organs; the middle layer (mesoderm), which develops into muscle, bone and cardiovascular organs, and the outer layer (ectoderm), which becomes the skin and nervous system. "The body is a tube in a tube in a shell," Solnica-Krezel explained. "Before gastrulation, all o...Male elephants woo females with precise chemistry
...n of the frontalin secreted is almost equal in the middle part of a musth episode, a period of prime signaling by male elephants. In contrast, at the end of the physiologically exhausting musth episode, the ratio becomes more varied so that at the end of musth, the ratio is askewed toward the minus enantiom...Fantastic voyage into the heart delivers a protector against heart failure
... which results in cardiomyocyte death, loss of the middle layer of the heart wall (the myocardium), and ultimately, heart failure. Therefore, therapies that protect cardiomyocytes from death may help prevent heart failure. In normal heart tissue, cardiomyocytes are surrounded by an intricate network of capi...JCI table of contents: December 15, 2005
... which results in cardiomyocyte death, loss of the middle layer of the heart wall (the myocardium), and ultimately, heart failure. Therefore, therapies that protect cardiomyocytes from death may help prevent heart failure. In normal heart tissue, cardiomyocytes are surrounded by an intricate network of capi......r's research focuses on both the philosophy in the middle ages and the early modern era as well as intellectual philosophy and epistemology. In his publications about authors, philosophical systems and the issues in the history of philosophy he has, amongst other things, demonstrated a reciprocal effect of ...ORNL-led study shows forests thrive with increased CO2 levels
...on dioxide concentration predicted to occur in the middle of this century. The experiments were conducted in a deciduous forest in Tennessee, a pine forest in North Carolina, a young hardwood stand in Wisconsin and a high-productivity poplar plantation in Italy. The team calculated net primary productivity ...From research labs to the schools: Science teachers bring summer science to the classroom
...e Professional Development Fellowships annually to middle school and high school science teachers across the country. The program gives teachers a chance to learn research techniques and follow the scientific process from start to finish. As a result, they gain a greater understanding of science and the imp...Study: Temperate forests could worsen global warming
.... When the scientists restricted the simulation to middle latitudes such as the continental United States, the picture was not quite so clear. At first, cooling due to the uptake of carbon dioxide would offset warming from sunlight absorption. But after several decades, carbon dioxide would begin diffusing ...Preventing bacterial biofilms could help fight TB
...n the Bronx, New York--integrates its DNA into the middle of the mycobacterium's GroEL1 gene. This integration disrupts production of the GroEL1 protein, which belongs to a class of proteins known as chaperones that help shape and guide other proteins within the cell. While another chaperone protein, GroE...Dragon over water: Envisat monitors China's largest lake, rivers flooding
... once-in-a-hundred-year flood that occurred in the middle and upper reaches of the Xijiang River of the Pearl River Basin. The Hanjiang and Weihe Rivers experienced autumn flooding and flood-induced landslides took place in Hunan and Heilongjiang Provinces. Some 1247 people were killed and another 331 left...... 60 minutes to see how much time they spend in the middle versus near the walls. Anxious hamsters will spend...ls will explore the entire box, including the open middle area. Among the tests for depression was one in which they measured how much of a sugar drink hamst...