Revolutionaries
Nicolaus Copernicus (1473 – 1543), a Polish astronomer, was the first astronomer to formulate a scientifically based heliocentric cosmology that displaced the Earth from the center of the universe.
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In the News
In Feast of Data on BPA Plastic, No Final Answer (NY Times)
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What's New by Bob Park
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energyDo Cosmic Rays Explain Global Warming? [1 | 164 | 0 | 0] 2010-05-18 A common argument against man-made climate change is that cosmic rays influence cloud cover, cosmic rays are down, so clouds are down, and the Earth is warmer. What does the data say?
 Climate Questions Answered [6 | 608 | 0 | 1] 2009-11-02 Write an op-ed about climate change and you get a lot of emails and questions. Here are the answers!
 Getting Serious About Climate Change [4 | 425 | 0 | 0] 2009-09-27 Its time we grew up and faced the facts: climate change is real and its man made. By measuring the amount of CO2 we have put in the air and the rise in global temperature, we can estimate future climate changes. The results are not pretty.
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