Science & Environment
Rocky Mountain Biological Laboratory trains the next generation of scientists
Young campers learn from some of the most esteemed researchers in the state surrounded by some of the most pristine learning environments.
Cactus Capital of the World
Host David Yetman takes viewers on unforgettable, bold explorations of desert landscapes. Through intriguing storytelling and stunning photography, viewers find out about the people, plants, animals and archaeology of arid regions throughout the New World. "The Desert Speaks" was produced for 19 seasons, and continues to air today.
Cactus Capital of the World
Season 13 Episode 6 | 26m 12s | CC
Villages in the Valle de Tehuacán and nearby Oaxaca have endured for centuries in a desert environment. One of the staples of this environment was and still is the cactus, which formed the basis for their material culture. Today eighteen species of columnar cacti grow in the valley (as opposed to three in Arizona, eight in Sonora), all of them used one way or another by native peoples.
