Accueil > Nos Actions > Références & Supports > Supports Pédagogiques & Techniques > What if trees wore socks ?
At the Yellowstone National Park, you may notice that some dead lodgepole pine trees near hydrothermal features are white at the bottom. We call them « Bobby Socks » trees, as if they were wearing white socks from the 50s. This phenomenon is due to an unusual absorption of a natural chemical element called silica.
Written and page setting by Michael Chen and Edgar Lesenechal, participants of the scientific expedition in Yellowstone, in July and August 2018.
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