Three years of Proba, the 'smart' satellite that runs itself
...rk well throughout Proba's 1096 days in space. In polar orbit 600 kilometres above the Earth, each month P...tigate the energetic particles responsible for the polar auroras, which during the last three years has made it possible to better model the radiation enviro...Census of Marine Life - Discoveries and Highlights 2004: Scientists add 4m+ records, 13,000 species
...iversity along near-shore areas from equatorial to polar water (NaGISA) and around a vast seafloor mountain range, the Mid-Atlantic Ridge (MAR-ECO). Using sophisticated underwater vehicles and cameras, investigations plunge to depths of 6000 m along the abyssal plains of the sea floor (CeDAMar) and near ve...International Polar Year preparations
...ch to better understand all aspects of the Earth's polar regions. Twenty-six speakers presented possible topics for IPY research and collaborations were discussed that involve all facets of UAF. From political science and linguistics to Arctic biology and geophysics, there is an opportunity for many to hav...U. of Colorado research team discovers life in Rock Glacier
...p-sea ocean vents, clinging to ice in subterranean polar lakes and living in rocks two miles underground. Such microbes, known popularly as "extremophiles," also have been found living inside of nuclear reactors and even in the brickwork of 4,800-year-old Peruvian pyramids. Since Earth's most extreme e...Study in Royal Society journal on first evidence for magnetic field detection in sharks
... of mammals. The future promises studies of DNA in polar caps, deep earth environments and even on Mars and other planets. Contact: Professor Alan Cooper, Henry Wellcome Ancient Biomolecules Centre, University of Oxford, South Parks Road, OXFORD, OX1 3PS Escalation and trophic specialization drive adaptiv...Research team discovers first evidence of microbes living in a rock glacier
...p-sea ocean vents, clinging to ice in subterranean polar lakes and living in rocks two miles underground. Such microbes, known popularly as "extremophiles," also have been found living inside of nuclear reactors and even in the brickwork of 4,800-year-old Peruvian pyramids. Because scientists suspect that...NSF funds Panikov's Alaskan Tundra Microbial Observatory project
...ng to cell division after temporary warming of the polar ice or permafrost above the freezing point. In 1990-96, when environmental scientists started intensive year-round recording of gas emission from soils to atmosphere, they found sizeable winter activity of the tundra microbial community." In labora...B-15A iceberg's close encounter monitored by Envisat
..., ASAR is extremely useful for tracking changes in polar ice. ASAR can peer through the thickest polar clouds and work through local day and night. And because it measures surface texture, the instrument...Grid expectations for networked computing: From global Earth monitoring to black hole detection
...n a monthly basis and tracking iceberg movement in polar regions. ESA's Internal University is interested in Grid computing not just as a subject but also a means of enabling staff education across Agency directorates and establishments. As an illustration of what is possible, interested groups remotely at...Grizzlies set to invade high Arctic?
... High Arctic is no longer the sole preserve of the polar bear Nanuk is having to make room for its souther...ound grizzly bear, rather than a Viscount Melville polar bear, the variety known to inhabit the Melville Island area. During the past 15 years there have bee...NASA study finds soot may be changing the Arctic environment
... efforts using satellite data and models to assess polar feedbacks constitute an important contribution to the U.S. Climate Change Science Program. By exploring processes in the Earth's atmosphere, NASA scientists are seeking answers to how pollutants like soot are changing the climate of the world around...Winners of Tyler Environmental prize announced
...pped gases in glacial ice were sampled only in the polar regions, giving few clues to atmospheric changes in the most populated areas of the tropics. Thompson's work at these dangerous altitudes has filled an important gap in documenting ancient atmospheres. In addition, his painstaking measurements have ...Carbon dioxide role in past climate revealed
...ater amounts of warm water from the tropics to the polar regions. Others speculate that increased levels of CO2 in the atmosphere initiated warming all over the planet. We used the latest supercomputing technology combined with chemical analysis of seabed sediments to make a sophisticated reconstruction ...Diversity, endemism, and age distributions in macroevolutionary sources and sinks
... mussels, and other marine bivalves shows that the polar oceans have had higher rates of immigration and extinction and much lower rates of origination than have the tropical and temperate oceans. This example underscores the importance of considering not just species origination but also extinction and di...Motor transport in bio-nano systems
...te surface as shown in Figure 1. The filaments are polar and have two different ends, a 'plus' end and a 'minus' end. In Figure 1, the filaments are arranged in such a way that all 'plus' ends point into the same direction. Such an arrangement provides many parallel tracks for the molecular motors and, thu...Scripps scientists describe protein used by bacteria and cancer cells to resist drugs
...ms encounter LPS or lipid A, they close around the polar part of the amphipathic molecule, flip it over, and send it through the top to the other side of the membrane. This is most likely the same thing that happens when other drug pumps transport antibiotics out of the cell, and the structure of MsbA may ...Plunge into warmer waters this summer with ESA's Mediterranean heat map
...h Resolution Radiometer (AVHRR) sensors on US NOAA polar orbiters, and a pair of Japanese-built instruments, the Advanced Microwave Scanning Radiometer (AMSR) and TRMM TRMM Microwave Imager (TMI) instruments, aboard NASA's Aqua and the JAXA-NASA Tropical Rainfall Measuring Mission (TRMM) spacecraft respect...New collision looks imminent for B-15A iceberg
...igned to precisely map changes in the thickness of polar ice sheets and floating sea ice. CryoSat, in connection with regular Envisat ASAR GMM mosaics and SAR interferometry a technique used to combine radar images to measure tiny centimetre-scale shifts between acquisitions - should answer the question ...Burnt coal from the age of dinosaurs sheds light on today's global warming
...to have enabled ice sheets to form and grow in the polar regions of the Arctic and Antarctic. The idea of ice sheets during the age of dinosaurs has always been a controversial topic. Nevertheless, McElwain and coauthors Steve Hesselbo, from the Department of Earth Sciences at the University of Oxford in ......related to the ancestors of modern brown bears and polar bears. Fossil and cave-painting evidence supports that ancient humans interacted with the cave bears. "When people hear about our success, they immediately think about how this strategy could work for dinosaurs," Rubin said. Barring some fundamental...