Brain Food

It's official: dark chocolate is good for us! That's according to the first-ever chocolate study to measure brain waves. It was conducted by Larry Stevens, a clinical psychologist and professor at Northern Arizona University.

Arizona Earthquake Information Center

This region is not a place known for powerful earthquakes, but over the last year or so, there have been some memorable ones: the kind that wake you from a sound sleep and set your heart racing. Are they leading up to something bigger? Geologist Paul Umhoefer doesn't think so.

sundt.com

Arizona's infrastructure report card is in, and the news is...average. The American Society of Civil Engineers has - for the first time - graded the state's dams, bridges, railways, airports, roadways and water systems.

Nature Publishing Group

Military officials regularly run safety tests for on-base Anthrax detectors. Normally, they use "dead" samples of the dangerous bacteria - deactivated by massive doses of radiation, but recently it was discovered there were some live spores within batches of Anthrax shipped by the Pentagon. Flagstaff geneticist Paul Keim suspects the microorganisms might be able to bring themselves back from the dead.

KNAU/Bonnie Stevens

An 8-armed drone that looks like a robotic black spider will soon be hovering over northern Arizona's ponderosa pine forests.

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