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This Hour: Latest Minnesota news, sports, business and entertainment

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NEUTRINO DETECTOR

UMinn reaches milestone with neutrino detector

ORR, Minn. (AP) - The University of Minnesota is celebrating a milestone in creating an experimental particle detector that it says could eventually yield important information about the beginning of the universe.

More than 700 undergraduate students built the detector over four years in a large warehouse in Minneapolis. The structure located in far northeastern Minnesota is designed to detect sub-atomic particles called neutrinos. The neutrinos are shot out in an invisible beam to the detector from 500 miles away at a U.S. Department of Energy lab in Chicago.

University scientists are hoping that learning more about how the neutrinos behave will help them better understand how the universe worked during its early formation.

University of Minnesota President Eric Kaler, a Department of Energy representative and others will gather in Orr Thursday to mark the completion of the 14,000-ton detector.

SCHOOL DESTROYED-ASBESTOS

Cleanup of burned school involves asbestos

ST. CLOUD, Minn. (AP) - Minnesota's health department and pollution control agency are getting involved in the demolition and cleanup of a historic school in St. Cloud that was destroyed by fire.

Mike Adair of Legacy Services Corp. will manage the project. He tells the St. Cloud Times that state regulators consider the entire site to be potentially contaminated due to asbestos. The government has strict rules on cleaning up asbestos which is associated with lung cancer and mesothelioma.

The Roosevelt Education Center was built in 1920 when asbestos was often used in insulation and floor and ceiling tiles. A lightning strike is believed to have started the fire that destroyed the old school in mid-June.

PARK-MISSING EMPLOYEE

Search for missing park employee successful

SOUDAN, Minn. (AP) - A state park employee has been found safe in St. Louis County nine hours after she was reported missing.

The sheriff's department says 76-year-old Adrienne De Vries failed to check out at the end of her shift at 6 p.m. Wednesday in Soudan Underground Mine State Park.

Other park employees began searching for her and after failing to find her they called Breitung Township police.

Officers, sheriff's deputies and firefighters searched through the night and De Vries was found about 3 a.m. Thursday about three miles from the visitor center. She was taken to a hospital in Ely as a precaution.

Authorities say De Vries had walked down a trail to pick up trash and got lost.

SNIPER AUTHOR-VENTURA

Deliberations in Ventura trial enter Day 3

ST. PAUL, Minn. (AP) - A jury in St. Paul has reconvened for a third day to deliberate whether a man regarded as the deadliest sniper in U.S. military history defamed former Minnesota Gov. Jesse Ventura in his memoir.

Ventura says Chris Kyle made up a story in his best-seller "American Sniper" about decking him in a California bar in 2006 after Ventura supposedly insulted Navy SEALs. Ventura testified it never happened.

Jurors got the case midday Tuesday. They did not reach a verdict Wednesday.

To rule in Ventura's favor, the jury must find by "clear and convincing evidence" that Kyle knew or believed his story was false, or that Kyle had serious doubts about whether it was true. Kyle died last year.

Ventura's attorney has asked for millions of dollars in damages.

AVIATION PARTS RELOCATION

Aircraft parts company moves to Oshkosh

OSHKOSH, Wis. (AP) - A customer aircraft parts company is making a move from Minneapolis to Oshkosh.

D'Shannon President Scott Erickson says the company will move to a hangar at Wittman Regional Airport until it can develop its own facility in the aviation business park under development at the airport.

D'Shannon has focused on engine overhauls and parts for Beechcraft airplanes since it acquired those assets in 2010. But, Erickson says the company plans to branch out to provide parts for a wider variety of aircraft.

Erickson tells Oshkosh Northwestern Media it will make the move after the Experimental Aircraft Association AirVenture convention which ends Aug. 3 and initially hire a half dozen employees while working with local fabrication shops to produce parts.

Copyright 2014 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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