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Earth's great gift to the moon: Water
The moon is home to some of the most lyrically named bodies of water that never existed. The Sea of Tranquility is familiar enough, but what about the Ocean of Storms, the Sea of Nectar, the Lake of Forgetfulness, the Bay of Rainbows? Altogether, the lunar map features 20 seas, 14 bays, 20 lakes and one ocean. That's both poetic and ironic, because a world that's positively drenched in aquatic names has not a drop of actual water.
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From now through June 28, all Geochemical Career Center packages are 20 percent off when using promotion code: 4GCC20. Packages must be used within one year of purchase. All posts to the Career Center are promoted through our Facebook page (with over 1,900 likes), and here in Geochemical News (with over 5,100 subscribers) every week the posts are active. Those seeking employment may post their resume on the Career Center for free.
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Postdoctoral Research Associate - Geochemistry & Interfacial Sciences (Oak Ridge National Laboratory, Oak Ridge, TN, USA)

Maersk Oil Chair in Applied Geophysics (Aarhus University, Aarhus, Denmark)

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New in GCA (v.110, 1 June 2013)
Kinetics of crystal evolution as a probe to magmatism at Stromboli (Aeolian Archipelago, Italy)

SIMS Pb–Pb and U–Pb age determination of eucrite zircons at < 5="" µm="" scale="" and="" the="" first="" 50="" ma="" of="" the="" thermal="" history="" of="">

Thermodynamic properties of aqueous MgSO4 to 800 MPa at temperatures from −20 to 100 °C and concentrations to 2.5 mol kg−1 from sound speeds, with applications to icy world oceans

Heterogeneous distribution of 26Al at the birth of the Solar System: Evidence from corundum-bearing refractory inclusions in carbonaceous chondrites

Mn–Cr relative sensitivity Factors for Secondary Ion Mass Spectrometry analysis of Mg–Fe–Ca olivine and implications for the Mn–Cr chronology of meteorites

An activity model for phase equilibria in the H2O–CO2–NaCl system

Dissolved organic carbon dynamics in anaerobic sediments of the Santa Monica Basin

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NSF Earth Sciences Division seeking Section Head
The National Science Foundation (NSF) is seeking candidates to serve as the Section Head for the Surface Earth Processes Section of the Division of Earth Sciences. The position is responsible for overall planning, management and commitment of budgeted funds for the section, which includes Geobiology and Low Temperature Geochemistry, among others. The position also guides the Section in formulating and implementing its research objectives and manages its administrative, fiscal and personnel aspects. Applications will be accepted from May 1 - 29, 2013.
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New research shows natural dust reduces cooling effect of sulphur in clouds
Macquarie University
An article published in Science shows that natural dust reduces the cooling effect of sulphur in clouds – an important discovery in the role of pollutants and aerosols in climate change. "The temperature of the atmosphere and its self-cleaning capacity depends a lot on clouds," says one of the article's authors, Professor Stephen Foley. "The lifetime and brightness of clouds is affected strongly by aerosols, which are currently thought to be the greatest single unknown factor in models of climate and climate change. Sulphur aerosols and their interactions with other elements, including dust, are thought to have an important cooling effect on the atmosphere, making them essential to climate models."
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Mineral dust plays key role in cloud formation and chemistry
Chemistry World
Mineral dust that swirls up into the atmosphere from Earth's surface plays a far more important role in both cloud formation and cloud chemistry than was previously realized. The findings will feed into models of cloud formation and chemistry to help produce more accurate assessments of the role of clouds in climate change.
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An exploding star, a grain of sand, and an origin story
The New Yorker
Humans have created some pretty ingenious myths to explain the world around us: the sun and the moon chase each other across the sky because of an ancient disagreement or lustful encounter; a strangely shaped Hawaiian mountain called Nounou is a sleeping giant; the ostrich's long neck is the result of straining to keep an eye on a wayward partner in the African night. The implication is always that the clues to our past are everywhere, in the big and the small and ordinary.
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Missed last week's issue? See which articles your colleagues read most.

    Studying meteorites may reveal Mars' secrets of life (ScienceDaily)
Helium gas heralded underwater volcano eruption (LiveScience)
Lake found in Sierra Nevada with the oldest remains of atmospheric contamination in Southern Europe (ScienceDaily)
Small differences in sameness (Nature)

Don't be left behind. Click here to see what else you missed.


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