News tagged with sulfur
Previously Unknown Volcanic Eruption Helped Trigger Cold Decade
Space & Earth / Earth Sciences
Oct 29, 2009 |
4.3 / 5 (27) |
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(PhysOrg.com) -- A team of chemists from the U.S. and France has found compelling evidence of a previously undocumented large volcanic eruption that occurred exactly 200 years ago, in 1809.
Ancient ecosystem thrives millions of years below Antarctic glacier
Space & Earth / Earth Sciences
Apr 16, 2009 |
4.7 / 5 (24) |
12
(PhysOrg.com) -- A reservoir of briny liquid buried deep beneath an Antarctic glacier supports hardy microbes that have lived in isolation for millions of years, researchers report this week in the journal ...
Hawaiian Vog: Where There's Smoke--There is Something Brewing
Space & Earth / Earth Sciences
Sep 29, 2008 |
4.7 / 5 (24) |
6
The Kilauea Volcano located on the Big Island of Hawaii is currently registering an Orange Alert which means the volcano is exhibiting a heightened or elevated risk of eruption or is erupting with minor or ...
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 ...
Clean fuels could reduce deaths from ship smokestacks by 40,000 annually
Jul 08, 2009 |
4.5 / 5 (17) |
7
Rising levels of smokestack emissions from oceangoing ships will cause an estimated 87,000 deaths worldwide each year by 2012 -- almost one-third higher than previously believed, according to the second major ...
Sudden Collapse in Ancient Biodiversity: Was Global Warming the Culprit?
Space & Earth / Earth Sciences
Jun 18, 2009 |
4.1 / 5 (17) |
5
Scientists have unearthed striking evidence for a sudden ancient collapse in plant biodiversity. A trove of 200 million-year-old fossil leaves collected in East Greenland tells the story, carrying its message ...
Scientists eye glowing volcano crater in Hawaii
Space & Earth / Earth Sciences
Jun 07, 2009 |
4.2 / 5 (11) |
2
(AP) -- The summit of Hawaii's Kilauea volcano is glowing brightly as molten lava swirls 300 feet below its crater's floor, bubbling near the surface after years of spewing from the volcano's side.
One sponge-like material, three different applications
May 17, 2009 |
4.1 / 5 (9) |
0
A new sponge-like material that is black, brittle and freeze-dried (just like the ice cream astronauts eat) can pull off some pretty impressive feats. Designed by Northwestern University chemists, it can remove mercury from ...
Origins of sulfur in rocks tells early oxygen story
Space & Earth / Earth Sciences
Apr 16, 2009 |
4.5 / 5 (8) |
2
(PhysOrg.com) -- Sedimentary rocks created more than 2.4 billion years ago sometimes have an unusual sulfur isotope composition thought to be caused by the action of ultra violet light on volcanically produced ...
Methane-eating microbes can use iron and manganese oxides to 'breathe'
Space & Earth / Earth Sciences
Jul 09, 2009 |
4.6 / 5 (5) |
0
Iron and manganese compounds, in addition to sulfate, may play an important role in converting methane to carbon dioxide and eventually carbonates in the Earth's oceans, according to a team of researchers ...
Do dust particles curb climate change?
Space & Earth / Earth Sciences
Oct 06, 2009 |
4.6 / 5 (5) |
4
(PhysOrg.com) -- A knowledge gap exists in the area of climate research: for decades, scientists have been asking themselves whether, and to what extent man-made aerosols, that is, dust particles suspended ...
Scrubbing sulfur: New process removes sulfur components, CO2 from power plant emissions (w/ Video)
Aug 18, 2009 |
5 / 5 (4) |
1
The Department of Energy's Pacific Northwest National Laboratory has developed a reusable organic liquid that can pull harmful gases such as carbon dioxide or sulfur dioxide out of industrial emissions from ...
Aura Marks Five Years of Sky-High Atmosphere Research
Space & Earth / Earth Sciences
Aug 05, 2009 |
4.8 / 5 (4) |
0
Imagine Earth without an atmosphere - without clouds, wind or air. Earth's atmosphere protects, transports, and reacts to life on Earth.
Rich Ore Deposits Linked to Ancient Atmosphere
Space & Earth / Earth Sciences
Nov 19, 2009 |
4.3 / 5 (3) |
0
(PhysOrg.com) -- Much of our planet's mineral wealth was deposited billions of years ago when Earth's chemical cycles were different from today's. Using geochemical clues from rocks nearly 3 billion years old, a group of ...
Report examines hidden costs of energy production and use
Oct 19, 2009 |
2.5 / 5 (4) |
1
A new report from the National Research Council examines and, when possible, estimates "hidden" costs of energy production and use -- such as the damage air pollution imposes on human health -- that are not reflected in market ...
