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Clean air is vital to your health. Pollutants can affect your lungs, blood circulation, heart, and overall well-being. Even if you keep a tidy home, the air inside may be dirtier than you think. The ...

The Tucson metro area’s air is suffering its worst ozone pollution since 2012. The region has exceeded federal standards for ground-level ozone five times this year, and eastern Pima County’s ozone ...

Generative artificial intelligence (GenAI) tools are challenging our understanding of plagiarism. How should we deal with plagiarism of ideas if this misbehaviour is increasingly common, and it is ...

May 29, 2026 A new study suggests Antarctica’s ice sheet hit a climate tipping point about one million years ago, making it far more reactive to temperature and CO2 changes. Researchers warn this ...