News tagged with oxygen isotopes
New findings could sway thought on climate change
(PhysOrg.com) -- A newly published paper written by a University of Nebraska-Lincoln researcher and his team could influence the way scientists think about global warming and its effects.
Space & Earth / Earth Sciences
Oct 20, 2010 |
4.4 / 5 (37) |
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The rise of oxygen caused Earth's earliest ice age
(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 ...
Space & Earth / Earth Sciences
May 07, 2009 |
4.6 / 5 (20) |
6
53 million-year-old high Arctic mammals wintered in darkness
(PhysOrg.com) -- Ancestors of tapirs and ancient cousins of rhinos living above the Arctic Circle 53 million years ago endured six months of darkness each year in a far milder climate than today that featured ...
Space & Earth / Earth Sciences
Jun 01, 2009 |
4.8 / 5 (17) |
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Geologists revisit the Great Oxygenation Event
In "The Sign of the Four" Sherlock Holmes tells Watson he has written a monograph on 140 forms of cigar-, cigarette-, and pipe-tobacco, "with colored plates illustrating the difference in the ash." He finds ...
Space & Earth / Earth Sciences
Aug 19, 2010 |
4.9 / 5 (16) |
1
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Meteorite just one piece of an unknown celestial body
(PhysOrg.com) -- Scientists from all over the world are taking a second, more expansive, look at the car-sized asteroid that exploded over Sudan's Nubian Desert in 2008. Initial research was focused on classifying ...
Space & Earth / Space Exploration
Dec 15, 2010 |
4.7 / 5 (16) |
5
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The Carbon Cycle Before Humans
Geoengineering -- deliberate manipulation of the Earth's climate to slow or reverse global warming -- has gained a foothold in the climate change discussion. But before effective action can be taken, the Earth's ...
Space & Earth / Earth Sciences
Feb 16, 2010 |
3.1 / 5 (19) |
1
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Earth's early ocean cooled more than a billion years earlier than thought (w/ Video)
(PhysOrg.com) -- The scalding-hot sea that supposedly covered the early Earth may in fact never have existed, according to a new study by Stanford University researchers who analyzed isotope ratios in 3.4 ...
Space & Earth / Earth Sciences
Nov 11, 2009 |
4.3 / 5 (12) |
1
DNA testing on 2,000-year-old bones in Italy reveal East Asian ancestry
Researchers excavating an ancient Roman cemetery made a surprising discovery when they extracted ancient mitochondrial DNA (mtDNA) from one of the skeletons buried at the site: the 2,000-year-old bones revealed a maternal ...
Other Sciences / Archaeology & Fossils
Feb 01, 2010 |
4.5 / 5 (11) |
0
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Atmospheric carbon dioxide buildup unlikely to spark abrupt climate change
There have been instances in Earth history when average temperatures have changed rapidly, as much as 10 degrees Celsius (18 degrees Fahrenheit) over a few decades, and some have speculated the same could happen again as ...
Space & Earth / Earth Sciences
Jun 20, 2011 |
3.8 / 5 (13) |
27
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New study shows how giant tortoises, alligators thrived in High Arctic 50 million years ago
A new study of the High Arctic climate roughly 50 million years ago led by the University of Colorado at Boulder helps to explain how ancient alligators and giant tortoises were able to thrive on Ellesmere ...
Space & Earth / Earth Sciences
Aug 24, 2010 |
5 / 5 (9) |
3
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Computer model documents the history of the West Antarctic ice sheet
(PhysOrg.com) -- One major threat of planetary warming is the melting of the great polar ice sheets, and the resulting rise in global sea level. Particularly worrisome to researchers is the fragility of the ...
Space & Earth / Earth Sciences
Aug 28, 2009 |
3.4 / 5 (10) |
3
Oasis near Death Valley fed by ancient aquifer under Nevada Test Site
Every minute, 10,000 gallons of water mysteriously gush out of the desert floor at a place called Ash Meadows, an oasis that is home to 24 plant and animal species found nowhere else in the world.
Space & Earth / Earth Sciences
Jun 03, 2010 |
4.7 / 5 (6) |
0
Peruvian stalagmites a new basis for 'Inconvenient truth'?
Will the Netherlands that is dominated by water succumb to the 'Inconvenient Truth' predicted by Al Gore? Dutch researcher Martin van Breukelen analysed stalagmites from the South American Amazon tributaries in Peru. He used ...
Space & Earth / Earth Sciences
Apr 29, 2009 |
3.1 / 5 (8) |
5
Replacing hydrogen in fluorescent dyes improves detection ability, stability and shelf life
By swapping out one specific hydrogen atom for an isotope twice as heavy, researchers have increased the shelf life and detection ability of fluorescent probes that are essential to studying a variety of inflammatory ...
Jul 20, 2010 |
5 / 5 (4) |
1
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A new technique for understanding quantum effects in water
It covers over two thirds of our planet, is essential for life on Earth and its chemical formula is one of the few most people can name, but we still have much to learn about the structure of H2O. Now, scientists ...
Oct 03, 2011 |
5 / 5 (4) |
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Isotopes of oxygen
There are three stable isotopes of oxygen that lead to oxygen (O) having a standard atomic mass of 15.9994(3) u. Also 10 unstable isotopes have been characterized.
For more information about Isotopes of oxygen, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
