Our Thanksgiving turkey is at the soup stage and Christmas is almost here. Poinsettias are in full bloom as well as the related shrub, snows of Kilimanjaro, or Euphorbia leucocephala. Folks are ...
Tree-ring samples taken by Paulo Quadri, who earned a Ph.D. in environmental studies from UC Santa Cruz, were included in the study. (Photo by Luz A. de Wit) The top-line findings of a massive ...
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