Nature’s Depths

Walking through nature with John Palka, a neuroscientist who loves plants and ponders big questions

Male cardinal

Nature Is Rising


A couple of years ago, prompted by the Easter Sunday that had just passed, I offered you a Rumination on the seasonal cycle of life on our Earth. This year, Easter Sunday has once again brought experiences and reflections that I would like to share with you.

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Sandhill Cranes Flying

Magnetic Migration


Our migratory kin travel south in the fall and back north in the spring. They do this over distances of hundreds or thousands, even tens of thousands of miles. How is this possible? Let us side-step the question of how different species manage to obtain enough energy to fly, walk, or swim for such distances and ask the other big question: How do they know in what direction they should be traveling?

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