Daily Archives: April 11, 2017

Is Carbon Dioxide A Pollutant?

My newest video:

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Top Pictures From Yesterday’s Bicycle Commute

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Four Moon Night

There are four moons in this picture. One on the lower left, and three in the upper right. Zooming in, we can see Jupiter and three of his moons. And of course our moon. Hundreds of years ago, sailors used … Continue reading

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