World Ocean Day: How satellites safeguard our waters
...ables, because a large enough upward shift (due to polar melting or other factors) might erode human habitats and alter the very face of our planet. The evidence from space so far suggests a steady average rise of 0.3 millimetres a year. Monitoring water quality With around a third a third of EU territ...Fossil Patagonian plants show high insect feeding diversity 52 million years ago
...70 million years. During this time, there were no polar ice caps and alligators were found above the Arctic circle. The researchers classified damage by feeding group and damage type. The four feeding groups are those insects that feed on the external leaf, chewing holes, edges and other leaf parts; th...New method of obtaining embryonic stem cells could reduce embryo wastage
... about 55 cells that will form the placenta, and a polar mass of about 20 cells, defined as the inner cell mass (ICM) that will generate the embryo and from which we obtain the stem cells. In order to obtain ESCs from the blastocyst, we first have to isolate the ICM from the trophoblast. However, this ofte......eyboard to communicate, to innovative ways to keep polar bears in zoos happy to the pros and cons of "carcass feeding" to captive carnivores, an incredible variety of animal enrichment techniques will be discussed by experts from around the world. WHERE: Columbia University's Lerner Hall, 115th St. & Bro...Census of Marine Life explorers surprised by diversity, density of Arctic creatures
...cold, thanks to a landmark voyage during the brief polar summer aboard an American ice cutter. News of the...or measuring impacts of climate change and, should polar caps continue receding, hypothetical new disturbances on the northern ocean such as energy exploitat...Freeze-dried mats of microbes awaken in Antarctic streambed, says U. of Colorado study
...results showed the resilience of life in the harsh polar environment, where temperatures are below freezing for most of the year and glacial melt water flows for only five to 12 weeks annually, said Professor Diane McKnight of CU-Boulder's Institute of Arctic and Alpine Research. Such research on life in ...Illinois researchers to play key roles in study of emergence of life
...ecial property of amino acids, which he called the polar requirement, may provide researchers with our echo of the 'big bang of biology,'" he said. The polar requirement, Woese said, is a measure of chemical properties centering on the chromatographic mobili......ll be able not only to determine the extent of the polar ice masses, but also their precise thickness. In a... explain the connection between the melting of the polar ice and the rise in sea levels. On this occasion, ESA will organise a launch event at ESA/ESRIN in F...North Sea efficient sink for carbon dioxide
...ater. In the winter, the surface water in the cold polar seas cools down and becomes slightly heavier. As a result of this it sinks under its own weight into the deep sea. The second way is by algae fixing carbon dioxide under the influence of sunlight (photosynthesis). This mechanism is important in the ...Center releases new public survey on stem cells
...r a sizeable number of respondents who fall at the polar ends of the moral status continuum, the commonly held expectation that they will support the corresponding policy extreme does not hold true....New survey data: 'Values in conflict: Public attitudes on embryonic stem cell research'
...cal and scientific research currently is framed as polar extremes either you support medical research, or you support preservation of embryos. At issue is whether these hard-line attitudes prevail among members of the public where do Americans draw the fine moral lines between medical progress and the m...International Council for Science launches International Polar Year 2007-8, an historical endeavour
... formally launched an ambitious global program for polar research that already has attracted more than 1000...n dramatic and disturbing changes occurring in the polar regions and analyze their broader environmental and economic importance for the planet. "We've seen ...'New' science gleans knowledge from ancient lands and societies
... Earth's climate due to the research being done on polar ice-cores, we know hardly anything about the impact of climate changes of human life on Earth and even less about the human impact on the environment. In the Southwestern U.S., analysis of tree growth rings has demonstrated that the current climatic ...AGU Fall Meeting - media advisory 4
...a earthquake and tsunami Antarctic ozone hole and polar ozone loss Icy moons of Saturn investigated by Cassini NASA administrator Griffin briefs on the Moon-Mars initiative Changes to the thermohaline circulation and their impact Ozone hole recovery: slower than predicted? Tropospheric and stratosphe...Giant ape lived alongside humans
...04, the Club's seven founding members included two polar explorers, the curator of birds and mammals at The American Museum of Natural History, an archaeologist, a war correspondent and author, a professor of physics and an ethnologist. Sir Edmund Hillary is Club's honorary chairman. Membership includes an...Crystal sponges excel at sopping up CO2
...ing environmental effects that include melting the polar ice caps and changing the ocean's acidity. In the United States alone, each person is responsible for generating more than 15 tons of carbon dioxide a year, largely from automobile and power plant emissions," Yaghi said. "I'm not exaggerating when I ...Glycoprotein hormone receptors
...uperfamily. First, we have focused on a network of polar interactions among highly conserved residues within the transmembrane (TM) region. Combination of site-directed mutagenesis and molecular dynamics simulations applied to the thyrotropin receptor (TSHr) have allowed identification of the residue N7.49...Thin tough skin, slow-growing gills protect larval Antarctic fish
...crystals. "The way that we've understood how adult polar fishes survive has been based on their use of these antifreeze proteins to lower the freezing point of their internal fluids," said lead author Paul A. Cziko, a research specialist in the department of animal biology. "We finally got a chance to look......n, which is capable of navigating the edges of the polar ice cap, replaces the Alexander von Humboldt, which retired at the end of 2004, and the previously decommissioned research vessels Valdivia and Victor Hensen. The scientific institutions using the new research vessel include not only the DFG's North ......gues investigated three key Arctic apex predators: polar bears, arctic fox and coastal human residents and ...es in the liver and kidney. Apex predators such as polar bears, arctic fox, and killer whales feed at higher trophic levels - consuming fish and marine mamma...