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  • Irish Chronicles Document Links Between Volcanoes and Weather
    A study of over 40,000 written entries in Irish Annals and ice core measurements shows a strong corr...Read more

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    Irish Chronicles Document Links Between Volcanoes and Weather

    A study of over 40,000 written entries in Irish Annals and ice core measurements shows a strong correlation between the occurrence of volcanic eruptions and extreme cold weather in Ireland over a 1200 year period. Data analyzed in this study cover the period from 431 to 1649, during which time up to 48 volcanic eruptions are identified in Greenland ice core records through deposition of volcanic sulfate in annual layers of ice. You can find the study (open access), published on 6 June 2013 in IOP Publishing's journal Environmental Research Letters, at http://iopscience.iop.org/1748-9326/8/2/024035/article. Find out more about how volcanoes can influence climate.
  • EF-5 Tornado in El Reno, Oklahoma Widest Ever Recorded in US
    The EF-5 tornado that hit El Reno, Oklahoma on May 31st was the widest ever recorded in the US, acco...Read more

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    EF-5 Tornado in El Reno, Oklahoma Widest Ever Recorded in US

    The EF-5 tornado that hit El Reno, Oklahoma on May 31st was the widest ever recorded in the US, according to the National Weather Service in Norman Oklahoma. The tornado, which remained on the ground for 40 minutes and reached 2.6 miles across (4.2 km), took the lives of 18 people including storm chasers Tim Samaras, Paul Samaras and Carl Young. For more information on the tornado, visit http://ow.ly/i/2hfDG.
  • Atmospheric CO2 Level Tops 400 ppm
    During the week of May 13th, the CO2 level at the Mauna Loa Observatory in Hawaii topped 400 ppm rep...Read more

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    Atmospheric CO2 Level Tops 400 ppm

    During the week of May 13th, the CO2 level at the Mauna Loa Observatory in Hawaii topped 400 ppm repeatedly. Daily levels of CO2 can vary due to weather, and there are seasonal trends as well. The level of atmospheric greenhouse gases continues to increase, now over 120 ppm since the Industrial Revolution began. For more on the Keeling Curve, see http://keelingcurve.ucsd.edu/. Find out more about greenhouse gases and warming.
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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