News

Looser standards for showerheads could send a lot of water and money down the drain

For more than 25 years, Congress has directed U.S. government agencies to set energy and water efficiency standards for many new products. These measures conserve resources and save consumers a lot of money. Until recently, they had bipartisan support

Long-Awaited Update Arrives for Radiocarbon Dating

More than 3,500 years ago a catastrophic volcanic eruption struck ancient Thera, known today as the Greek island of Santorini. Ash and pumice rained across the Mediterranean, and tsunami waves rolled onto faraway shores in Crete. In the 1960s archaeologists on Santorini uncovered a Minoan settlement frozen in time, with vibrant wall frescoes decorating multistory houses, all buried by volcanic debris.

Extreme heat is here, and it’s deadly

Gearing up for the fight against a new climate enemy.

Covid-19 Is Threatening the In-Person Semester. Can Wastewater Testing Help Save It?

As Rural Western Towns Grow, So Do Their Planning Challenges

A new study examines the planning challenges that residents and officials in the rural mountain American West have been watching unfold for years. The researchers specifically looked at over 1,500 "gateway communities" – rural communities adjacent to national parks, forests, rivers and other outdoor recreational amenities.

University of Arizona Stops a Covid-19 Outbreak by Following the Feces

University of Arizona leaders were able to prevent a potential Covid-19 outbreak by testing wastewater.

How the University of Arizona used No. 2 to solve its No. 1 problem: The coronavirus

The university made a bold claim this week: It stopped a coronavirus outbreak before it started.

The University of Arizona says it caught a dorm’s covid-19 outbreak before it started. Its secret weapon: Poop.

As 5,000 students prepared for move-in day at the University of Arizona this week, the school warned they would be tested periodically for the coronavirus. One test, though, doesn’t involve a nose swab. The university is regularly screening the sewage from each dorm, searching for traces of the virus.

How Cold Was the Ice Age? Researchers Now Know

Scientists' ice age "hindcast" may shed light on future climate.

Fire season could last into fall, experts say

The fire season in Tucson could stretch all the way into October and beyond this year because of a lack of monsoon moisture, raid and humidity.