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The University of Arizona has joined a collaboration with Space Trust – a nongovernmental organization based in the United Kingdom – and the University of Nairobi in Kenya to develop a series of Earth-orbiting spacecraft built by university students.

To paint a clearer picture of how global climate change affects Earth's ecosystems, conducted an unparalleled experiment: forcing the world's only enclosed rainforest – housed in Biosphere 2 – through a four-month-long controlled drought and recovery.

As the holidays near, members of the Alliance for Vaccine Literacy offer tips for navigating emotionally fraught conversations with vaccine-hesitant friends and family.

UANow is going on hiatus for the holidays. There will be no newsletter on Dec. 23, Dec. 30 or Jan. 6. Publication will resume on Jan. 13. We wish all of our readers a safe and happy holiday season!

Researchers from the UArizona College of Medicine – Tucson found that the bacterial lysate OM-85 blocked SARS-CoV-2 infection by decreasing the ability of the coronavirus to bind to the lung cell surface receptor ACE2.

The brightest comet of the year, named after the UArizona researcher who discovered it, is paying one last visit to Earth's neighborhood before leaving the solar system forever.

A University of Arizona Health Sciences-led research team received $7.16 million in federal funding to study how to better control severe asthma and determine why sufferers are less likely to contract COVID-19, influenza and rhinovirus.

While physical activity benefits brain health in low-pollution areas, physical activity in areas with the most pollution does not confer the same benefits, a new study finds.