Sept. 23, 2021 Earliest Evidence of Human Activity Found in the Americas Footprints at White Sands National Park in New Mexico confirm human presence over at least two millennia, with the oldest tracks dating back 23,000 years.
Sept. 22, 2021 'Dead' Galaxies Mysteriously Ran Out of Fuel to Make Stars in Early Universe UArizona astronomers used massive galaxy clusters as natural magnifying glasses to discover strange galaxies that stopped making stars before their time.
Sept. 22, 2021 Those Earrings Are So Last Year – But the Reason You're Wearing Them is Ancient Shell beads found in Morocco are at least 142,000 years old. Archaeologists say they're the earliest known evidence of a widespread form of human communication.
Sept. 20, 2021 What Mutant Flies Can Teach Us About Autoimmune Disorders New research suggests winged critters with a penchant for overripe fruit may hold a secret to understanding gene function and autoimmune disorders such as lupus.
Sept. 13, 2021 Jet Stream Changes Could Amplify Weather Extremes by 2060s By drilling deep into the Greenland ice sheet, researchers reconstructed the jet stream's past and found that climate-caused disruptions are likely to have drastic weather-related consequences.
Sept. 9, 2021 New Estimate Makes Groundwater, Not Ice Sheets, Largest Water Reservoir on Land New research suggests that the volume of salty water 2 to 10 kilometers (6.2 miles) beneath the Earth's surface is double previous estimates. The water could store waste fluids, sequester carbon and direct our search for extraterrestrial life.
Sept. 7, 2021 Researchers Enlist Robot Swarms to Mine Lunar Resources As scientists begin to more seriously consider constructing bases on celestial bodies such as the moon, the idea of space mining is growing in popularity. With $500,000 in NASA funding, UArizona engineers are working to advance space-mining methods that use swarms of autonomous robots.
Sept. 7, 2021 Drought – More Than Temperature – Governs Diversity of Life on Earth A new UArizona-led study uses big data to assess why the diversity of species varies across the globe. What researchers learned changes our understanding of future diversity in a warming world.
Sept. 2, 2021 NIH Grant Advances Research on Women's Brains, Menopause and Alzheimer's Risk Roberta Brinton, director of the Center for Innovation in Brain Science, received a $15.1 million grant from the National Institutes on Aging to investigate perimenopausal brain aging.
Sept. 1, 2021 Study Shows Impacts of Deforestation and Forest Burning on Amazon Biodiversity Since 2001, between 40,000 and 73,400 square miles of Amazon rainforest have been impacted by fires, affecting 95% of all Amazonian species and as many as 85% of species that are listed as threatened in the region.
