We asked applicants for the NCSE Grand Canyon Teacher Scholarship to explain, in 500 words, what lessons or knowledge they expected to gain from rafting the Grand Canyon, to enrich their students’, colleagues’, and neighbors’ understanding of evolution, deep time, climate change, and the natural world. Here is part of scholarship winner Scott Hatfield’s explanation of what he hopes to bring back from the Grand Canyon to his Fresno, California, high school.

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Last week I made a case that origins-of-life research doesn’t usually fall under the evolution umbrella. I offered my analogy that the first spark of life was a bit like a baton hand-off from chemical evolution to biological evolution. Today, I’ll get into some aspects of the topic that tend to evoke the most, well, heated and let’s say spirited discussion.

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