News tagged with iron hypothesis
Ocean carbon: A dent in the iron hypothesis
Oceanographers Jim Bishop and Todd Wood of the U.S. Department of Energy's Lawrence Berkeley National Laboratory have measured the fate of carbon particles originating in plankton blooms in the Southern Ocean, ...
Space & Earth / Earth Sciences
May 06, 2009 |
4.7 / 5 (10) |
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Search results for iron hypothesis
Study finds 'cool' gas may form and strengthen sunspots
Hydrogen molecules may act as a kind of energy sink that strengthens the magnetic grip that causes sunspots, according to scientists from Hawaii and New Mexico using a new infrared instrument on an old telescope.
Jan 31, 2012 |
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Dealing with stress: New research highlights the survival skills of disease-causing E. coli
Escherichia coli bacteria thrive in the lower intestine of humans and other animals, including birds. Most are vital constituents of the healthy gut flora, but certain forms of E. coli cause a range of di ...
Jan 30, 2012 |
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Scientists shed light on magnetic mystery of graphite
The physical property of magnetism has historically been associated with metals such as iron, nickel and cobalt; however, graphite – an organic mineral made up of stacks of individual carbon sheets – has baffled ...
Jan 26, 2012 |
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2012: Magnetic pole reversal happens all the (geologic) time
Scientists understand that Earth's magnetic field has flipped its polarity many times over the millennia. In other words, if you were alive about 800,000 years ago, and facing what we call north with a magnetic ...
Space & Earth / Earth Sciences
Nov 30, 2011 |
4.7 / 5 (14) |
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Study of clays suggests watery Mars underground
(PhysOrg.com) -- A new NASA study suggests if life ever existed on Mars, the longest lasting habitats were most likely below the Red Planet's surface.
Space & Earth / Space Exploration
Nov 02, 2011 |
5 / 5 (6) |
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Extra vitamin E linked to prostate cancer, but diet still merits study
(Medical Xpress) -- Taking vitamin E supplements appear to increase a man’s risk of prostate cancer, according to a study that appears in the Oct. 12 issue of the Journal of the American Medical Association.
Oct 26, 2011 |
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Mars rover Opportunity on verge of new discovery
(PhysOrg.com) -- Shortly after Labor Day 2011, the Mars rover Opportunity was poised on the rim of the 22,000 meter-wide Endeavour Crater, preparing to sample a novel rock type. Much older than the sedimentary ...
Space & Earth / Space Exploration
Sep 14, 2011 |
4.8 / 5 (8) |
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Second bid to launch NASA's Moon-bound spacecraft
NASA will try again Friday to launch a $500 million pair of unmanned spacecraft that will use gravity tools to map the Moon's inner core for the first time, after high winds delayed a first attempt.
Space & Earth / Space Exploration
Sep 09, 2011 |
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Evidence for a persistently iron-rich ocean changes views on Earth's early history
Over the last half a billion years, the ocean has mostly been full of oxygen and teeming with animal life. But earlier, before animals had evolved, oxygen was harder to come by. Now a new study led by researchers ...
Space & Earth / Earth Sciences
Sep 07, 2011 |
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Unique volcanic complex discovered on Moon's far side
(PhysOrg.com) -- Analysis of new images of a curious “hot spot” on the far side of the Moon reveal it to be a small volcanic province created by the upwelling of silicic magma. The unusual location ...
Space & Earth / Space Exploration
Jul 25, 2011 |
5 / 5 (16) |
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List of search results for iron hypothesis
