Nature’s Depths

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

Ancient Forest, Sol Duc Valley - John Palka
Shi-Shi Falcon W/Z

The Secret Life of W/Z

Exploration

The Peregrine Falcon W/Z is part of a large, ongoing raptor (bird of prey) monitoring effort being conducted on the southwest coast of the Olympic Peninsula of Washington by a dedicated non-profit group called Coastal Raptors, based in Hoquiam. Here is how we got to meet him.

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Alder Reflection - Earth Sanctuary

Growing Upward – B

Exploration

When we walk through a forest, we are surrounded by trees growing up toward the sky. . . Most are primarily straight. . . Some are twisted in complex ways, but even these  grow mostly upward from the surface of the soil. What mechanisms generate the upward growth that is so characteristic of most trees, and indeed the great majority of all land plants?

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Marjoram Horizontal

Growing Upward – A

Exploration

You can specify the differences among various tree species, but if you focus on properties that they share, rather than on properties that distinguish them, you quickly realize that vertical growth characterizes the vast majority of trees, and indeed the vast majority of all plants. How does upward growth come about?

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