Big Picture Science · Big Picture Science

The Best Things in Life are Tree(s)

December 15, 2025·58 min·4 clips

Divers found a 70,000-year-old underwater cypress forest off Alabama that still smelled like fresh-cut wood.

The forest is the point. After sponsor and fundraising context, the episode steps into a redwood walk with naturalist Kevin Dixon. Trees become companions, but the language stays plain. They give timber, shade, carbon sequestration, oxygen, and homes for countless organisms. Then the segment looks back to human primate ancestors near the trees they eventually left, with walking on the ground dated nearly four million years ago. The walk soon returns to what is right there. Dixon answers a simple question about the companion trees around the redwoods. Maples grow along the creek. Alders stand with their toes in the water, an image that lands because anyone can picture it. Oaks cover the hillsides. Bay trees are all over the place too, and Dixon spends time with their fragrance and spicy leaves. Pepperwood gives the bay tree another name, tied directly to that smell and taste. Then the invitation gets physical. Dixon encourages people to hug trees and even put a cheek against the trunk. That small touch changes the visit. The forest stops being backdrop and becomes texture, scent, temperature, quiet, and company. The science stays conversational, letting creekside species, hillside cover, and a cheek against bark carry the explanation.

As heard by us

A quiet Redwood walk that makes tree science feel close, tactile, and freshly observable.

Big Picture Science treats trees as working presences: timber and shade, carbon storage, oxygen makers, habitat, and part of the evolutionary setting our primate ancestors eventually left.

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Why you'd press play

For when you want a Redwood forest walk with fragrant bay trees and quiet science.

Read the full recommendation in PlayNext →

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