Category Archives: Observations

Why I worry about climate change

In recent discussions, several friends have described why current events make them deeply pessimistic about the future. I usually respond that I’m an optimist; for example, I believe that our democratic institutions are strong enough to withstand assault from partisans … Continue reading

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Monarch butterflies, milkweed, and migration: The law of unintended consequences

I described the magic of migration by monarch butterflies in Chapter 1 of Tools for Critical Thinking in Biology. These tiny animals fly from breeding areas in the northern US and Canada to overwintering sites in high-elevation forests in central … Continue reading

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Storytelling in science: What can we learn about critical thinking from stories about mountain lions and sea otters?

Tools for Critical Thinking in Biology is a book of stories about doing science. Most of these stories are incomplete because science is a work in progress, therefore one of my great pleasures is learning about new research that extends … Continue reading

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