News articles tagged with 'oxygen' (Page 2)
Mimicking photosynthesis path to solar-derived hydrogen fuel
— 20 Feb 2011 16:12 | ChemistryInexpensive hydrogen for automotive or jet fuel may be possible by mimicking photosynthesis, according to a Penn State materials chemist, but a number of problems need to be solved…
Oldest fossils of large seaweeds, possible animals tell story about oxygen in an ancient ocean
— 17 Feb 2011 18:39 | Geology and palaeontologyAlmost 600 million years ago, before the rampant evolution of diverse life forms known as the Cambrian explosion, a community of seaweeds and worm-like animals lived in a quiet deep-water…
Insects hold atomic clues about the type of habitats in which they live
— 17 Feb 2011 18:09 | BiologyScientists have discovered that insects contain atomic clues as to the habitats in which they are most able to survive. The research has important implications for predicting the effects…
Study finds massive flux of gas, in addition to liquid oil, at BP well blowout in Gulf
— 13 Feb 2011 21:13 | EnvironmentA new University of Georgia study that is the first to examine comprehensively the magnitude of hydrocarbon gases released during the Deepwater Horizon Gulf of Mexico oil discharge…
Scientists climb Mt. Everest to explain how hearts adapt and recover from low oxygen
— 1 Feb 2011 21:30 | HealthFrom the highest mountaintop comes a new research report in the FASEB Journal (http://www.fasebj.org) that gets to the bottom of what happens to the hearts of people when exposed to…
'Air laser' may sniff bombs, pollutants from a distance
— 29 Jan 2011 18:10 | EnvironmentPrinceton University engineers have developed a new laser sensing technology that may allow soldiers to detect hidden bombs from a distance and scientists to better measure airborne…
'Catch-up' growth signals revealed
— 28 Jan 2011 16:45 | HealthUniversity of Michigan researchers have uncovered molecular signals that regulate catch-up growth - the growth spurt that occurs when normal conditions are restored after a fetus, young…
Long-term hypoxia in flies shown to result in permanent DNA changes
— 25 Jan 2011 20:14 | HealthIn an important study that may shed light on human ability to adapt to hypoxia, or inadequate levels of oxygen, researchers at the University of California, San Diego School of Medicine…
Conversion of brain tumour cells into blood vessels thwarts treatment efforts
— 25 Jan 2011 19:53 | HealthGlioblastoma, the most common and lethal form of brain cancer and the disease that killed Massachusetts Senator Ted Kennedy, resists nearly all treatment efforts, even when attacked…
Defence mechanism against bacteria and fungi deciphered
— 22 Jan 2011 10:20 | HealthUnder standard laboratory conditions, the human beta-defensin 1 (hBD-1), a human antibiotic naturally produced in the body, had always shown only little activity against microbes. Nevertheless…