Current Events

  • 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.
  • Massive Tornado Outbreak on Tornado Alley
    The week of May 19 brings dozens of tornadoes to Tornado Alley in the states of Oklahoma, Kansas, Io...Read more

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    Massive Tornado Outbreak on Tornado Alley

    The week of May 19 brings dozens of tornadoes to Tornado Alley in the states of Oklahoma, Kansas, Iowa, Illinois and Missouri. On May 20th, a massive tornado struck Moore, Oklahoma, devastating communities - destroying over 100 homes and hitting two elementary schools and a hospital - with many casualties and deaths. Our thoughts are with our friends and colleagues suffering from these storms. For more on the May 20th storms, see the NOAA Storm Prediction Center Storm Report.
  • 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.

Pick a Postcard - People


Photo of Albert Einstein.
Courtesy of Tracey Keifer. Emilio Segre Visual Archives. American Institute of Physics.
Picture of Marie Curie
The Bettmann Archive

Portrait of Edwin Hubble
The Archives, California Institute of Technology
Picture of Max Planck
Courtesy UPI/Bettmann

Picture of Ernest Rutherford
The Bettmann Archive. From painting by James Gunn (1932).
Picture of Linus Pauling
Courtesy UPI/Bettmann

Photograph of Carl Sagan
Robert Reichert and Cornell University.
Picture of Charles Darwin
The Bettmann Archive

Picture of Ben Franklin
Tracey Keifer. Emilio Segre Visual Archives. American Institute of Physics.
Picture of Leonardo DaVinci
The Bettmann Archive

Portrait of Galileo Galilei
Ottavio Leoni, Reunion des Musees Nationaux
Portrait of Neil Armstrong
NASA

Portrait of Sally Ride
NASA
Portrait of John Glenn
Courtesy of NASA

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