News tagged with volcanic
Earth's atmosphere came from outer space, find scientists
Space & Earth / Earth Sciences
Dec 10, 2009 |
4.2 / 5 (29) |
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(PhysOrg.com) -- The gases which formed the Earth's atmosphere - and probably its oceans - did not come from inside the Earth but from outer space, according to a study by University of Manchester and University ...
Life on Mars theory boosted by new methane study
Space & Earth / Space Exploration
Dec 08, 2009 |
4.9 / 5 (30) |
11
Scientists have ruled out the possibility that methane is delivered to Mars by meteorites, raising fresh hopes that the gas might be generated by life on the red planet, in research published tomorrow in Earth an ...
Hawaiian hot spot has deep roots
Space & Earth / Earth Sciences
Dec 03, 2009 |
4.9 / 5 (11) |
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(PhysOrg.com) -- Hawaii may be paradise for vacationers, but for geologists it has long been a puzzle. Plate tectonic theory readily explains the existence of volcanoes at boundaries where plates split apart ...
Antarctica served as climatic refuge in Earth's greatest extinction event
Space & Earth / Earth Sciences
Dec 02, 2009 |
4.6 / 5 (10) |
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A new fossil species suggests that some land animals may have survived the end-Permian extinction by living in cooler climates in Antarctica. Researchers have identified a distant relative of mammals that apparently survived ...
Chang'E-1 has blazed a new trail in China's deep space exploration
Space & Earth / Space Exploration
Dec 01, 2009 |
5 / 5 (2) |
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A huge amount of scientific data have been accumulated by the CE-1 lunar orbiter. Using laser altimeter data, Jinsong Ping and Qian Huang et al obtained improved 3D lunar topography, and based on this, they ...
Researchers discover biological basis of 'bacterial immune system'
Nov 30, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- Bacteria don’t have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.
Researchers discover biological basis of 'bacterial immune system'
Nov 25, 2009 |
4.8 / 5 (4) |
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Bacteria don't have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.
Supervolcano eruption -- in Sumatra -- deforested India 73,000 years ago
Space & Earth / Earth Sciences
Nov 23, 2009 |
4.5 / 5 (17) |
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A new study provides "incontrovertible evidence" that the volcanic super-eruption of Toba on the island of Sumatra about 73,000 years ago deforested much of central India, some 3,000 miles from the epicenter, ...
Rich Ore Deposits Linked to Ancient Atmosphere
Space & Earth / Earth Sciences
Nov 19, 2009 |
4.3 / 5 (3) |
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(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 ...
Higher incidence of thyroid cancer in volcanic area of Sicily
Nov 05, 2009 |
not rated yet |
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People living in volcanic areas may be at a higher risk for thyroid cancer, according to a new study published online November 5 in the Journal of the National Cancer Institute.
Hidden Territory on Mercury Revealed
Space & Earth / Space Exploration
Nov 04, 2009 |
4.8 / 5 (20) |
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The MESSENGER spacecraft's third flyby of the planet Mercury has given scientists, for the first time, an almost complete view of the planet's surface and revealed some dramatic changes in Mercury's comet-like ...
Study uses satellite imagery to identify active magma systems in East Africa's Rift Valley
Space & Earth / Earth Sciences
Nov 04, 2009 |
4.5 / 5 (4) |
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A team from the University of Miami, University of El Paso and University of Rochester have employed Interferometric Synthetic Aperture Radar (InSAR) images compiled over a decade to study volcanic activity ...
Volcanic eruptions may split Africa: scientists
Space & Earth / Earth Sciences
Nov 03, 2009 |
4.8 / 5 (8) |
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Volcanic activity may split the African continent in two owing to a recent geological crack in northeastern Ethiopia, researchers said on Tuesday.
African desert rift confirmed as new ocean in the making
Space & Earth / Earth Sciences
Nov 02, 2009 |
4.9 / 5 (37) |
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(PhysOrg.com) -- In 2005, a gigantic, 35-mile-long rift broke open the desert ground in Ethiopia. At the time, some geologists believed the rift was the beginning of a new ocean as two parts of the African continent pulled ...
Colombia volcano rumbles back to life
Space & Earth / Earth Sciences
Nov 01, 2009 |
4.4 / 5 (9) |
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Officials in southern Colombia have issued a code orange alert for the newly-active Galeras volcano which they said could erupt in a matter of days or weeks, according to the state-run Geological and Mining ...
