Arizona Science Desk

UA scientists are working on a new kind of telescope
Scientists at the University of Arizona are looking ahead to the space telescopes of the future, which they believe will have a main fundamental difference from what’s been used up until now.
Sept. 28, 2023
First cowboys in Americas were likely enslaved Africans
The first cowboys in the Americas were likely enslaved Africans, and their own cattle herds may have been brought over with them. So suggests an analysis of 400-year-old cattle DNA from Mexico and the island of Hispaniola.
Sept. 28, 2023
As math scores lag, experts discuss roles of AI and talent retention
Even before COVID-19 setbacks, the Nation’s Report Card scored only one-third of U.S. fourth graders, and one-quarter of eighth graders, as proficient in math. Arizona rates follow close behind. This week, political leaders and education experts met to discuss possible solutions.
Sept. 27, 2023
What will Phoenix be able to do with $10M to plant trees?
Phoenix recently got a $10 million grant from the U.S. Forest Service. The money will go toward planting trees in underserved communities across the city. The Show spoke with Phoenix’s urban tree program manager about the effort.
Sept. 27, 2023
Its a race to protect Flagstaff against monsoon flooding after devastating wildfires
In 2022, a fire tore through 40 square miles of the eastern slopes of the San Francisco Peaks in Flagstaff, burning away the trees and grasses that bolster the hills’ resilience against rainwater runoff. Since then, county officials have raced against more rain to control that runoff.
Sept. 27, 2023
How ChatGPT helped an Iowa school district ban book
The Show spoke with teacher-librarian Jean Kilker about what she makes of an Iowa school district using artificial intelligence to determine which books shouldn't be on the shelves.
Sept. 26, 2023
Desert plant can be used to make rubber and grows with little water
Policy experts say that about 74% of the state’s water goes to agriculture. Now, researchers at the University of Arizona are working with farmers to find new ways, and new crops, that might help conserve.
More Arizona water news
Sept. 26, 2023
After sending asteroid sample to Earth, OSIRIS-REx spacecraft heads to next target
Researchers from NASA and the University of Arizona celebrated the success of the landing. In order to survive the journey, the capsule with the sample had to slow from nearly 30,000 mph to just 11 mph to safely touch down.
Sept. 25, 2023
RNA extracted from extinct Tasmanian tiger
For the first time, scientists have extracted and analyzed RNA from an extinct animal preserved at room temperature in a museum collection. The genomic molecules belonged to a Tasmanian tiger, or thylacine, that died about 130 years ago.
Sept. 25, 2023
Life’s cookbook might hold more recipes than once thought
Science tells us that the universe teems with planets; observations and odds-makers tell us a portion of them have the conditions or ingredients needed for life. But how many recipes for life are there? A new paper offers one possible answer.
Sept. 25, 2023
DIY filtration boxes clean air in cooling centers
DIY filtration boxes from an ASU lab help reduce the risk of respiratory particles that carry diseases like COVID or the flu in cooling centers around metro Phoenix, like the First United Methodist Church of Mesa.
Sept. 25, 2023
Asteroid sample returns to Earth on Sunday in UA-led OSIRIS-REx mission
NASA’s first asteroid samples fetched from deep space parachuted into the Utah desert Sunday to cap a seven-year journey. The OSIRIS-REx mission is led by researchers from University of Arizona.
Sept. 22, 2023
Navajo Nation among tribes getting $40M to clean up wells
Indigenous communities have long been unduly burdened by environmental pollution. Now, the Biden administration has sent nearly $40 million to help tribal communities plug and remediate orphaned oil and gas wells.
Sept. 22, 2023
Remote work may cut employee greenhouse emissions by half
The COVID pandemic caused a sea change in the amount and frequency of remote work – a shift that could reduce greenhouse gases. Analysis of data on energy consumption and travel behavior suggests fully remote workers produce less than half the emissions of office workers.
Sept. 21, 2023
Many concerned as work restarts on Taser drone
The Show spoke with Ese Olumhense, an investigative reporter at the Markup, about Scottsdale-based Axon's idea for stopping school shootings: Taser drones.
Sept. 21, 2023
UA-led study finds climate-driven extinction is speeding up
The work is based on surveys of dwindling lizard populations in southern Arizona’s sky-island mountain ranges. “We found like 70 years’ worth of extinction in just seven years,” said UA’s John Wiens.
More Arizona Science Desk news
Sept. 20, 2023
Experts: Medical AI needs more experts with technical, health fluency
Views on artificial-intelligence and machine-learning in medicine alternate between two extremes: They either tout AI as the cure for every ill, or vilify it as a vector for spreading systemic bias. Researchers find themselves managing expectations even as they strive to improve outcomes.
Sept. 20, 2023
How media got the Phoenix Lights wrong
The Show spoke with Tony Ortega, the former editor-in-chief of the Village Voice, about what he makes of the fact that there seems to be a lot of conversations and questions about what the Pentagon knows and what it’s telling us and lawmakers about UFOs.
Sept. 20, 2023
Some think homelessness is a choice. This advocate debunks that
The Show spoke with assistant director of programs at Central Arizona Shelter Services Richard Southee about his studies in trauma-informed care at Arizona State University. The conversation kicks off a new segment called Deep Dive.
Sept. 20, 2023
Podcast wants to change conversation around menopause
The Show spoke with KJZZ's own Kathy Ritchie about her new podcast, Period, The End (But Not Really), that's all about menopause and changing the way people with ovaries look at it.
Sept. 20, 2023

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