Paramecia adapt their swimming to changing gravitational force
... of Brown University have worked out a way to turn gravity on its head and see how the creatures respond. Th...and Guevorkian were able to increase the effect of gravity by about 50 percent. To increase the effect even further, they added a compound called Gadolinium-di...Spread of plant diseases by insects can be described by equations that model interplanetary gravity
...ations similar to those that describe the force of gravity between planetary objects. Their findings are deta...closer and/or better, which parallels the stronger gravity between closer and larger planets." The researchers tracked a fungal disease spread by bees and mot...Trap-jaw ants have fastest recorded strike in animal kingdom
...y high altitudes and get a boost from the force of gravity to reach those speeds. In comparison, animals such as trap-jaw ants and mantis shrimp (which formerly held the record for swiftest strike in the animal world) utilize energy stored within their own bodies. The mandibles of the trap-jaw ant, for insta...Top Canadian superstring theorist, Rob Myers of PI, inducted into Royal Society
... string theory include: Pioneering research on gravity in higher dimensions/black holes The discovery of the "Myers effect" in M-theory Work showing that cosmic superstrings may leave an observable imprint in the sky The Royal Society membership follows a distinguished record of awards and recogniti...Tiny airborne particles are a major cause of climate change
...droplets. When the droplets reach a critical size, gravity takes over, causing them to fall from the cloud in the form of rain. One of the controversies surrounding the extent of aerosol impact on climate change is the duality of their influence. On the one hand, Koren and his colleagues previously found e...Earth observation satellites contribute to international polar year 2007-2008
...ssive visual, active microwave, and even sensitive gravity measurements - to understand changes in the global ice sheets." Since their advent satellites have contributed to a greater understanding of polar regions, helped identify the strong links these regions have with Earth's terrestrial, ocean and a...Fruit flies aboard space shuttle subjects of UCF, UC Davis study on immunity and space
... To help researchers rule out variables aside from gravity that could affect the flies, one group will be sub... their colleagues will examine whether the reduced gravity makes the fungus more potent. Flies will be exposed to fungi from the shuttle and fungi kept in a ...New fossils fill the evolutionary gap between fish and land animals
... that it could support its body under the force of gravity whether in very shallow water or on land," said Farish Jenkins of Harvard University. "This represents a critical early phase in the evolution of all limbed animals, including us." The project was also funded by the National Geographic Society, an an...Newly found species fills evolutionary gap between fish and land animals
... that it could support its body under the force of gravity whether in very shallow water or on land," said Farish Jenkins, professor of organismic and evolutionary biology at Harvard University and co-author of the papers. "This represents a critical early phase in the evolution of all limbed animals, includ...Oh, what a feeling - dancing on the ceiling!
... is very different from normal walking because the gravity tends to pull an inverted insect away instead of pressing it to the surface", explains Dr Gorb. "Our results, in combination with the knowledge on the microstructure of pads, provide important inspiration for mimicking locomotion of wall and ceiling ...New Arctic fossils fill evolutionary gap between fish and limbed animals
... that it could support its body under the force of gravity whether in very shallow water or on land," said Dr. Farish A. Jenkins of Harvard University, another collaborator. "This represents a very critical early phase in the evolution of all limbed animals, including us." Naming the fossils Instead of usi...Biggest physics meeting of the year
... gravikinesis in Paramecium using a magnetic-force gravity simulation technique. The simulation approach empl...in tandem with gravity's forces to create enhanced gravity or to push in opposition to gravity to create weakened and even inverted gravity (in which the organ...International symposium on radar altimetry in Venice, 13 to 18 March 2006
...the marine geoid the equipotential surface in the gravity field of the Earth that coincides with the undistu... level created by minor variations in the Earth's gravity due to the sea floor relief. Over land, radar altimetry delivers enhanced digital elevation models ...AAAS denounces anti-evolution laws as hundreds of K-12 teachers convene for 'Front Line' event
...that "evolution is a theory in the same sense that gravity is a theory: It is a robust organizing principle that has been thoroughly tested and is well-supported by a large body of evidence from many converging fields." 3. The third recurring theme to emerge from the AAAS-Public Agenda focus groups was t...Astronomer announces shortlist of stellar candidates for habitable worlds
...ts around nearby stars by studying how an object's gravity affects the orbit of the parent star. Virtually all of the discovered planets are gas giants like Jupiter and are presumed to be inhospitable to life. There have been hints of smaller, rocky planets like Earth, but definitive detection of such terre...Two new lakes found beneath Antarctic ice sheet
...-Doherty combined data from ice-penetrating radar, gravity surveys, satellite images, laser altimetry and rec...ed to be at least 900 meters, were calculated from gravity data taken during aerial surveys in 2000 and 2001. Because gravitational force is directly related t...Reactive oxygen species shown essential for development of inner ear's balance machinery
...al pull. The Noxo1 mutant mice are unable to sense gravity and therefore often fall, rest in a slanted posture, and are unable to remain on the surface of water. By inserting an intact Noxo1 gene into the genome of "head slant" mutants, researchers enabled the mutant mice to maintain balance. These findings ......ch genes plants switch on and off under particular gravity conditions,' he explains. 'However, with the methods we use we can also, for example, find out which genes the sunflowers activate when they produce DCQA in reaction to a fungus infection.' This knowledge would make mass production of DCQA a distinct...Unified physics theory explains animals' running, flying and swimming
...t their tendency to float counteracts the force of gravity and they do not sink or rise. In essence, then, sc...s. "The question was: How could a theory including gravity apply to swimming fish?" Marden said. Bejan finally realized the answer. Although fish are neutrall......ig to plastic tubing, used an elevated reservoir's gravity to force water into one end of each twig, and then used an electronic balance to weigh water dripping out the other end. Then, based on the number of conduits and valves in twigs and their known dimensions, the biologists calculated the resistance to...