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  • Kansas Legislator Proposes Bill to Outlaw Sustainability Education
    A bill has been introduced in the Kansas legislature this week that would prohibit the promotion of ...Read more

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    Kansas Legislator Proposes Bill to Outlaw Sustainability Education

    A bill has been introduced in the Kansas legislature this week that would prohibit the promotion of sustainability. Here is a link to the one-page bill: http://www.kslegislature.org/li/b2013_14/measures/documents/hb2366_00_0000.pdf. See report on Bloomberg News.
  • Earth's Center Is 1,000 Degrees Hotter Than Previously Thought, Synchrotron X-Ray Experiment Shows
    Scientists have determined the temperature near the Earth’s center to be 6000 degrees Celsius, 1000 ...Read more

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    Earth's Center Is 1,000 Degrees Hotter Than Previously Thought, Synchrotron X-Ray Experiment Shows

    Scientists have determined the temperature near the Earth’s center to be 6000 degrees Celsius, 1000 degrees hotter than in a previous experiment run 20 years ago. These measurements confirm geophysical models that the temperature difference between the solid core and the mantle above, must be at least 1500 degrees to explain why the Earth has a magnetic field. For more information about this study, see the press release from the European Synchrotron Radiation Facility.
  • Ocean Volcanic Rocks Contain Samples of Recycled Crust
    Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials fr...Read more

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    Ocean Volcanic Rocks Contain Samples of Recycled Crust

    Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth’s crust. But decisive evidence for this phenomenon has proven elusive. New research from a team including Carnegie’s Erik Hauri demonstrates that oceanic volcanic rocks contain samples of recycled crust dating back to the Archean era 2.5 billion years ago. Their work is published in Nature. Oceanic crust sinks into the Earth’s mantle at so-called subduction zones, where two plates come together. Much of what happens to the crust during this journey is unknown. Model-dependent studies for how long subducted material can exist in the mantle are uncertain and evidence of very old crust returning to Earth’s surface via upwellings of magma has not been found until now. For more information about these results, see the press release from the Carnegie Institution.
This is an artist's drawing of the space station. You can see the solar arrays such as the ones Endeavor will bring in December to the Alpha space station.
Click on image for full size
Courtesy of NASA

Life Found on the ISS
News story originally written on November 20, 2000

Three men made the International Space Station (ISS) their home on November 2, 2000. For the next four months, Russian astronauts Yuri P. Gidzenko and Sergei K. Krikalev and American commander, William M. Shepherd, will call the ISS their home.

The building of the station has been an extremely long journey filled with many setbacks, delays, funding and political issues. But now that people have made it to the station, it is likely that different crews will remain continuously on the station for at least the next 15 years. The ISS has been officially named Alpha. Alpha is the first letter of the Greek alphabet and so denotes "a new beginning". It is also a neutral name in that it is neither English nor Russian.

The Alpha station is now the size of three school buses in length. In time, Gary Kitmacher, space and life sciences manager for the International Space Station says, “it will be the length of a football field.” He also adds it will become the brightest object in the night sky next to the Sun and the Moon.

Shuttle Endeavour will dock with the space station December 2, 2000. This shuttle mission will bring solar arrays that will power the station. A new crew will come to live on Alpha in February.

NASA and the Russian space agency and the other 16 countries contributing to the building of the ISS hope that this station will open the door to long-term living on the Moon and Mars.

Last modified November 15, 2000 by Jennifer Bergman.

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