Add Yahoo as a preferred source to see more of our stories on Google. Meriwether Lewis and William Clark's westward trek mapped a route to the Pacific in the early 1800s, and the "Botany of Nations" ...
Children must be taught more about the importance of plants if education about climate change and sustainability is to be effective, experts have warned. Children must be taught more about the ...
During the nineteen-seventies and eighties, a researcher at the University of Washington started noticing something strange in the college’s experimental forest. For years, a blight of caterpillars ...
The Academy of Natural Sciences of Drexel University has an exhibition rich with artifacts and plant specimens from the Lewis and Clark expeditions. PHILADELPHIA (WPVI) -- Meriwether Lewis and William ...
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