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Comparing apples and pears: Scientists see health-determining air paths in fruit
Biology /
Jul 10, 2008 |
4 / 5 (1) |
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Pears and apples contain air pathways to "breathe". The pathways are microscopically small structures for oxygen supply and are key elements in determining the fruit's health.
More oxygen -- colder climate
Space & Earth / Earth Sciences
Sep 10, 2009 |
4.1 / 5 (10) |
6
Everybody talks about CO2 and other greenhouse gases as causes of global warming and the large climate changes we are currently experiencing. But what about the atmospheric and oceanic oxygen content? Which role does oxyge ...
Helium helps lung patients breathe easier
Mar 09, 2009 |
not rated yet |
1
New research published in the international journal Chest, by Neil Eves, PhD, finds that people with chronic obstructive pulmonary disease (COPD) who breathed a mix of 60% helium and 40% oxygen during a rehabilitation progra ...
Oil-eating microbes give clue to ancient energy source
Biology /
Sep 09, 2008 |
3.6 / 5 (14) |
0
Microbes that break down oil and petroleum are more diverse than we thought, suggesting hydrocarbons were used as an energy source early in Earth's history, scientists heard today at the Society for General Microbiology's ...
No laughing matter -- bacteria are releasing a serious greenhouse gas
Biology /
Mar 31, 2008 |
4 / 5 (22) |
3
Unlike carbon dioxide and methane, laughing gas has been largely ignored by world leaders as a worrying greenhouse gas. But nitrous oxide must be taken more seriously, says Professor David Richardson from the University of ...
The rise of oxygen caused Earth's earliest ice age
Space & Earth / Earth Sciences
May 07, 2009 |
4.6 / 5 (20) |
6
(PhysOrg.com) -- Geologists may have uncovered the answer to an age-old question - an ice-age-old question, that is. It appears that Earth's earliest ice ages may have been due to the rise of oxygen in Earth's ...
Theory of the sun's role in formation of the solar system questioned
Space & Earth / Space Exploration
Sep 04, 2008 |
4.7 / 5 (35) |
7
A strange mix of oxygen found in a stony meteorite that exploded over Pueblito de Allende, Mexico nearly 40 years ago has puzzled scientists ever since. Small flecks of minerals lodged in the stone and thought ...
Scientists develop a unique approach for splitting water into hydrogen and oxygen
Apr 06, 2009 |
3.6 / 5 (5) |
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The design of efficient systems for splitting water into hydrogen and oxygen, driven by sunlight is among the most important challenges facing science today, underpinning the long term potential of hydrogen as a clean, sustainable ...
New material could make gases more transportable
Nov 20, 2008 |
4.5 / 5 (26) |
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Chemists at the University of Liverpool have developed a way of converting methane gas into a powder form in order to make it more transportable.
Biologists discover bacterial defense mechanism against aggressive oxygen
Nov 20, 2009 |
not rated yet |
0
Bacteria possess an ingenious mechanism for preventing oxygen from harming the building blocks of the cell. This is the new finding of a team of biologists that includes Joris Messens of VIB, a life sciences research institute ...
Increasing carbon dioxide and decreasing oxygen make it harder for deep-sea animals to 'breathe'
Space & Earth / Earth Sciences
Apr 17, 2009 |
4.8 / 5 (78) |
7
(PhysOrg.com) -- New calculations made by marine chemists from the Monterey Bay Aquarium Research Institute (MBARI) suggest that low-oxygen "dead zones" in the ocean could expand significantly over the next ...
Understanding the science of solar-based energy: more researchers are better than one
Sep 02, 2008 |
4.7 / 5 (7) |
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View a video of MIT scientists explaining how they recently discovered a catalyst that produces oxygen gas from water.
Fire without smoke
Mar 31, 2008 |
4.7 / 5 (7) |
3
Could combustion without flames be used to build industrial gas turbines for power generation that are much more efficient than current models and produce almost no polluting emissions? Researchers in the Middle East provide ...
An Intriguing, Glowing Galaxy
May 14, 2009 |
4.1 / 5 (10) |
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A supermassive black hole may be responsible for the glowing appearance of galaxy 3C 305, located about 600 million light years away in the constellation Draco. Composite data from NASA’s Chandra X-ray Observatory ...
Scientists learn from nature to split water
Aug 17, 2008 |
4.8 / 5 (79) |
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An international team of researchers led by Monash University has used chemicals found in plants to replicate a key process in photosynthesis paving the way to a new approach that uses sunlight to split water into hydrogen ...
