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 ...

Plants express diverse small GTP-binding proteins including Ras-associated binding (RAB) proteins that direct membrane trafficking and Rho-of-plant (ROP) proteins that mostly regulate cytoskeletal ...

When plant roots are injured—by insects, for example—the pressure inside the root drops, and a pressure wave spreads rapidly throughout the root system. In neighboring roots, tiny proteins that act as ...

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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 ...