When Sharmila Dey and Genevieve Erickson began dreaming up names for a youth literary magazine, they wanted something that would represent Tucson. Carnegiea gigantea — the scientific name for the ...
If the first plants you think of when you hear "cactus" are those immense, multi-branched Saguaro cactuses (Carnegiea gigantea) so frequently featured in cowboy movies, you should know there are over ...
Towering structures must be able to bend and sway when subjected to the forces of wind and ground movement, or they will topple, whether it’s a building, a geological formation, tree—or even a cactus.
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