NCSE's annual raft trip down the Grand Canyon just returned, and Teacher Scholarship winner Crystal Davis offered to describe her experience on the river with us. Enjoy, and consider donating to the scholarship fund to support future trips like this.

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ScienceDebate logoHere at NCSE, we tend to frown on formal staged debates, especially about science itself. But in this political season, there’s an exception to be made.

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Only 1 in 5 people in North America live in a place where they can see the Milky Way. That’s the staggering finding of a new paper in Science Advances, in which the authors painstakingly matched satellite images with ground measurements of light pollution around the world.

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Katherine Hayhoe, photo by Ashley Rodgers, Texas Tech UniversityKatherine Hayhoe, photo by Ashley Rodgers, Texas Tech University

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