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Dig into Montana Before History: 11K Years of Hunter-Gatherers in the Rockies and Plains by D. H. MacDonald, Ph.D. See our online store book collection.

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Our online store includes issues of NESTA's quarterly journal, The Earth Scientist, full of classroom activities on different topics in Earth and space science, ranging from seismology, rocks and minerals, oceanography, and Earth system science to astronomy!

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Cool It! Game

Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more

Peroxides Measured at the T1 Site

Hello again: We are nearing the end of our field campaign in Mexico. It has been a real adventure, with friendly people, great food, and interesting science. I obtained some good hydrogen peroxide measurements...more

What does Tecamac mean?

Measuring site T1 is in Tecámac. This is a little town close to Mexico City. The name Tecámac is a Náhuatl word, an ancient Mexico's language, spoken by Aztecs. In Náhuatl, Tetl or Tec means stone, camatl...more

Fire nearby T1

Sometimes, during a field campaign, things happen that could alter the field gas and particles measurings. For instance, this image belongs to fire started by people who lived nearby. The fire produces...more

Pollutants on the Ground

The CMET balloon group launched two balloons on March 18 which had very successful flights. The balloons were purposely brought down as they approached US airspace over the Gulf of Mexico. By doing 'soundings'...more

Mexico City Pollution

Today we were down wind of Mexico City, and it was quite polluted. The ozone did not get that high, but perhaps that is because we are only 40 kilometers (about 25 miles) a bit close to the city. We do...more

Live from the Veracruz Operations Center!

Click here to see the movie Ever wonder what an international scientific mission looks like? This short movie starts with a pan of the daily briefing held in the Operations Center, a large, windowless,...more

Jetstream 31 Science Goals

The plane in the foreground is a Jetstream 31 (J31). It is flown under contract to the National Aeronautics and Space Administration (NASA). It is one of a number of planes specially outfitted to make...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF