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cigarette smoke curbs lung's self-healing




image: helmholtz scientists were able to elucidate a mechanism leading to degeneration (right) of formerly healthy lung tissue (left). view more credit: source: helmholtz zentrum münchensmoke from cigarettes blocks self-healing processes in the lungs and consequently can lead to chronic obstructiv...



monitoring pollen using an aircraft




image: using an aircraft, the researchers collected air samples at elevations of up to 2000 meters. view more credit: source: dr. athanasios damialisplant pollen and fungal spores can be found at variable heights in the air, even at elevations up to 2000 meters. this is the conclusion of a report b...



researchers unravel the drivers of large iceberg movement




when, in the foreseeable future, a tabular iceberg nearly seven times the size of berlin breaks off the larsen c ice shelf in the antarctic, it will begin a journey, the course of which climate researchers at the alfred wegener institute helmholtz centre for polar and marine research (awi) can accur...



15 years of grace: satellite mission flies thrice its planned time




"revolutionary" is a word you hear often when people talk about the grace mission. since the twin satellites of the nasa/german gravity recovery and climate experiment (grace) launched on march 17, 2002, their data have transformed scientists' view of how water moves and is stored around the planet....



when the sea ice melts, juvenile polar cod may go hungry




credit: alfred wegener institutepolar cod fulfil a key role in the arctic food web, as they are a major source of food for seals, whales and seabirds alike. but the polar cod themselves might soon be the hungry ones. under the ice of the central arctic, the juvenile fish are indirectly but heavily d...



new switching process in non-volatile spintronics devices




a magnetic field pulse switches the initial vortex state to "onion state" with two walls. in the subsequent magnetic snapshots the domain wall motion is shown. after 58 ns both walls meet and annihilate, thus completing the switching process into the opposite sense of rotation. credit: hzbphysicists...



15 years of grace: satellite mission flies thrice its planned time




image: the two "gravity recovery and climate experiment " satellites (grace) map the earth's gravity field during their mission. the grace satellites are developed and produced by astrium gmbh in friedrichshafen, germany,... view more credit: astrium/gfz"revolutionary" is a word you hear often when...



satellite mission flies thrice its planned time




the two "gravity recovery and climate experiment" satellites (grace) map the earth's gravity field during their mission. the grace satellites are developed and produced by astrium gmbh in friedrichshafen, germany, for nasa/jpl and gfz. they lasted three times the planned five year mission time. cred...