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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.
Dennis Tito shows a big grin and thumbs up after safely returning to Earth. He really enjoyed his trip to space!
photographer Reuters (

Tito Returns!
News story originally written on May 9, 2001

Dennis Tito, the world's first paying space tourist has returned safely back to Earth. Tito summed up his whole trip with these words, "It was perfect. It was paradise."

Dennis Tito is a 60-year-old American who used to work for NASA's Jet Propulsion Laboratory. He then went into the private sector, founding his own firm which advises others on which stocks to buy. His own investing made him millions. But, it had always been Tito's dream to travel into space. And now he has done just that!

After NASA's rejection of his request to be taken as a civilian into space, Tito turned to the Russian Space Agency. Tito was able to buy astronaut training time, a trip to the International Space Station (ISS) in the Soyuz capsule, 6 days aboard the ISS, and of course, a return ticket back to Earth. All of this, for the price of $20 million!

Many people were critical of Tito's trip into space. NASA certainly wasn't thrilled at the prospect of a civilian hanging out in the multi-billion dollar space station. In fact, they made Tito sign a contract saying that if he broke or damaged anything, he would have to pay for it (and no, he didn't break anything!). NASA's contract also stated Tito could not enter US-built segments of the ISS without an escort. Others have said Tito's vacation in space was extravagant and should have given the $20 million to charity. But, the Russian cosmonauts (Talgat Musabayev and Yuri Baturin) who accompanied Tito on this trip to the ISS said they enjoyed having him along and that he was just one of the crew. And Dennis Tito certainly thought the trip was well worth it. During a press conference upon his return, Tito described his 8 days in space as euphoric and he said that he could've stayed up there for months! Tito doesn't have plans to return to space, but encourages others to pursue this and other adventures!

Last modified May 9, 2001 by Jennifer Bergman.

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