Science

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The Arizona Senate has approved a proposal allowing electronic billboards in some areas of Mohave County where they are now banned to protect the region's astronomy industry.

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Two scientists say global warming is shrinking the most important waterway in the American Southwest and could reduce its flow by more than a third by the end of the century.

Arizona State University says researchers have found pieces of a small asteroid that left a fiery trail in the sky over eastern Arizona earlier this month.

ASU spokeswoman Beth Giudicessi said Wednesday that a team of meteorite hunters recently located 15 meteorites on tribal lands after getting permission to search.

Working in partnership with the White Mountain Apache Tribe, scholars spent more than 130 hours searching the White Mountains.

Source: Chris Carroll

Arizona residents heard a boom and saw a flash of light in the sky early in the morning, prompting speculation that a meteor was the source.

Media reports say the boom and flash were noticed shortly before 4 a.m. There were no immediate reports of damage.

The Arizona Geological Survey's seismic network didn't pick up any impacts.

Michael Conway of the survey says that could mean the meteor broke up in the sky and that the impacts of any remnants were too small to be recorded.

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A fungus that’s been around for more than 400 million years is showing up in the roots of trees and grasses all over the world and helping plants grow. In a global study, Northern Arizona University Ecologist Nancy Johnson contributed samples of arbuscular mycorrhizal fungi from the Serengeti. She says the findings are surprising.


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