RIVERSIDE, Calif. – A new study shows that the desert tortoise, thought to be one species for the past 150 years, now includes two separate and distinct species, based on DNA evidence and biological and geographical distinctions.
This genetic evidence confirms previous suspicions, based on life history analysis, that tortoises west and east of the Colorado River are two separate species. (more…)
*A group of 33 students were competively selected to earn free certification from the UA’s Navajo Interpreter Training Institute to gain eligibility to serve as interpreters in New Mexico and Arizona state courts.*
Many of the 33 students enrolled in the University of Arizona’s Navajo Interpreter Training Institute have similar backgrounds – they began their unofficial role as English-to-Navajo language interpreters as children translating for their parents and grandparents.
Now, as adults who live and work across Arizona and New Mexico, they still find themselves providing the same service. (more…)
ANN ARBOR, Mich.— Political leaders regularly promise to “fight” for noble causes and “combat” pressing problems. They declare “war” on social problems, such as poverty, disease, drugs and terrorism.
This violent political rhetoric—whether politicians intend to or not—can enflame violent attitudes in many Americans, especially those predisposed to behave aggressively in daily life, according to new University of Michigan research involving three studies. (more…)
Palo Alto, CA — Geologists have found evidence that some 55 million years ago a river as big as the modern Colorado flowed through Arizona into Utah in the opposite direction from the present-day river. Writing in the October issue of the journal Geology, they have named this ancient northeastward-flowing river the California River, after its inferred source in the Mojave region of southern California. (more…)