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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.
Picture of Marie Curie
The Bettmann Archive

Marie Curie

Marie Curie was a physicist and chemist who lived between 1867-1934. She contributed greatly to our understanding of radioactivity and the effects of x-rays.

She was born Maria Skłodowska in Warsaw, Poland, then part of the Russian empire. Women were not permitted to study at the University of Warsaw, and Maria, together with her sister, attended the classes at night in an illegal "floating university". When Maria was 24, she moved to Paris to study mathematics, physics and chemistry at Sorbonne University. There she met and married Pierre Curie. Together they studied radioactive materials and discovered two new elements: polonium, named after Poland, and radium. They did their early work in difficult conditions, in crowded and damp makeshift labs. They also studied the medical uses of radioactivity in radiography and treating cancer tumors.

In 1903, they shared the Nobel Prize in physics with Henri Becquerel for their research in radioactivity. Marie Curie was the first woman to be awarded a Nobel Prize.

After Pierre's tragic death in 1906, Marie took his place as Professor of General Physics in the Faculty of Sciences, the first time a woman had held this position. In 1911, she also received the Nobel Prize in chemistry and became the first person to win two Nobel Prizes. She did a lot to raise money for research on radioactivity, and helped establish radioactivity laboratories in Paris and Warsaw. During World War I, she promoted use of radium for the treatment of wounded soldiers.

Marie Curie died from a blood disease in 1934, due to her constant exposure to radioactive materials. Next year their daughter Irène Joliot-Curie shared the Nobel prize in chemistry with her husband Frédéric Joliot-Curie. What an exceptional family!

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