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Arizona will have more 'extreme heat' days, researchers say

Arizona will experience more days of extreme heat in the coming decade, according to an Arizona State University study that comes on the heels of the state’s hottest summer on record. But researchers are looking for ways to mitigate a hotter, drier climate.... Read more»

FactCheck: Q&A on coronavirus vaccines

An overview of the vaccine development efforts underway and answer some questions about the testing process, the likelihood and timing of a vaccine in the U.S., and what to expect from a COVID-19 vaccine.... Read more»

Study: Influx of immigrants is overall boost to U.S. workers, economy

Immigration has risen sharply over the past 20 years and immigrants have accounted for a larger portion of the workforce in that time, but that competition is actually helping Americans in the long run, a new report says.... Read more»