DNR

In addition to Arnold, the team included University of Minnesota Department of Civil, Environmental, and Geo- Engineering retired adjunct associate professor Paul Capel, former research assistant Grant Goedjen, and John Barry from the DNR's Division of Ecological and Water Resources.

Activation of DNR serotonin neurons can therefore lead to changes in motivation and behavior.

DNR also intends to burn up to 2,580 acres in Central and Eastern Washington to prevent severe wildfires later.

In hopes of keeping homes from catching fire, DNR has pushed to expand its free wildfire home assessment program in Western Washington this year.

Glenn Kohler, a forest entomologist at DNR, said it’s hard to tell for sure if the drought is causing the beetle populations to spread, but it is likely.