Science News

glen canyon dam
The Grand Canyon is running short on sand. Sediment that once washed down the Colorado River to form beaches is now trapped behind Glen Canyon Dam. Scientists want to find out if artificial floods are rebuilding the beaches.
Dec. 21, 2016
Work in the Chilean desert by Arizona State University scientists has reopened debate regarding the biological origins of Martian silica fragments found in 2007 – and strengthened the case for life on Mars billions of years ago.
Dec. 21, 2016
Data used to drive decisions about how to manage land and wildlife in the Southwest can come from unexpected sources. Whether counting birds or hunting them, people who enjoy the outdoors are contributing to the science of wildlife management.
Dec. 21, 2016
citizen science
A kind of ecological treasure hunt is underway in northern Arizona for thousands of springs scattered across the landscape. It’s such a vast area it’s hard to find them and monitor their health. So scientists are training ordinary citizens to help them in the search.
Dec. 20, 2016
An invasive snake has been found in Yuma waters. Officials are concerned because the snakes could pose a threat to local species and alter the Colorado River ecosystem.
Dec. 19, 2016
citizen science
For 11 years, volunteer citizen scientists have gathered near Seligman, Arizona, to help spot, capture and release endangered black-footed ferrets. The survey is part of a program created by the Arizona Game and Fish Department to monitor a population of captive-bred ferrets that wildlife specialists began reintroducing to Aubrey Valley 20 years ago.
Dec. 19, 2016
Doug Clough
Doctors are a few steps closer to finding treatment targets for Lou Gehrig’s disease, also known as amyotrophic lateral sclerosis, or ALS, thanks to the first collaboration between Barrow Neurological Institute and IBM’s Jeopardy-winning supercomputer, Watson.
Dec. 15, 2016
coal plant
Forests in northern Arizona have a problem: massive piles of wood chips left behind from thinning projects. They can’t stay in the forest because of the fire danger and there’s no local market for them. But they have to go somewhere.
Dec. 15, 2016
Colorado River Chubs
Three types of chub in the Colorado River watershed may actually be the same species of fish. The finding raises questions about their protections under the federal Endangered Species Act.
Dec. 14, 2016
On its way to sample an asteroid, the University of Arizona’s OSIRIS-REx mission will look for other, yet unobserved asteroids.
Dec. 13, 2016
drone in yuma
International accounting firm Pricewaterhouse Coopers recently projected a $32 billion market for Unmanned Aerial Vehicle use in the agriculture industry. In Yuma County, farmers have already begun utilizing UAV or “drone” technology in the fields.
Dec. 12, 2016
Steward Observatory
The University of Arizona’s world-leading work in astronomy and space sciences is the accumulation of a century of work. In fact, it was 100 years ago that the first money was donated for an observatory. It became known as Steward Observatory, named for the donor’s husband.
Dec. 8, 2016
There were 30 students suspended at David Crockett Elementary School in the 2014-15 school year. The year after the mindfulness program was implemented, the total halved itself.
Dec. 7, 2016
A new brain cancer study by TGen has revealed a surprising pattern that could guide future treatment and research. The study showed that more complex glioblastoma multiforme (GBM) tumors responded better to traditional treatments than did simpler, more robust tumors.
Dec. 6, 2016
Red squirrel
The number of endangered squirrels in the Pinaleño Mountains near Safford dropped by 11 in the past year. This year’s estimated squirrel population is 252 animals.
Dec. 1, 2016
Psyche mission
A rare asteroid made of metal may have water on it, according to the discovery made by a planetary scientist in Flagstaff.
Nov. 30, 2016
Hadza people
Moderate to vigorous physical activity is a strong predictor of heart health. University of Arizona research shows that indigenous hunter-gatherers in Tanzania’s high level of physical activity means their risk of heart disease is low.
Nov. 30, 2016
Sonoran pronghorn
Sonoran pronghorn were one of the first species listed as endangered in the United States. The distribution of the species has made efforts to protect and recover pronghorn populations challenging — until now.
Nov. 24, 2016
abandoned mine warning sign
There’s a map on the wall of the Cameron community center on the Navajo Nation with nearly 100 red dots scattered all over it. They mark abandoned uranium mines.
Nov. 23, 2016
comet illustration
A trio of comets will approach Earth in the next two years, and Tucson-based astronomers plan to study them closely. That includes enlisting help from amateur and professional astronomers around the world to allow for continuous observation.
Nov. 22, 2016