Petroglyphs, pictures carved onto the surface of rocks, are the most common type of rock art in Arizona.
Seventy-five years ago, archaeologists made an exciting discovery. On the edge of the Gila River, near where Interstate 10 now runs, they found the remains of a long-forgotten Hohokam town.
The Akimel O’Odham (Pima) are a group of American Indians that have a rich tradition of storytelling, with folktales describing floods, butterflies and more.
Through her ground-breaking role as Star Trek’s Chief Communications Officer Lt. Uhura, Nichelle Nichols became a passionate advocate to get women and minorities involved in real-world space exploration.
The Nerdist Chris Hardwick and his trusty sidekick Matt Mira provide Dr. Who references and some timely humor for our show about clocks, calendars, and leaps in time.
In this lesson, students interpret lines of best fit and correlation coefficients to determine what types of policy changes are most likely to positively impact a country’s well-being.