Dozens of Minnesota school districts have delayed the start of classes Wednesday as a winter storm continues to cause difficult travel across the region. In addition to the late starts, a handful of school districts have moved to online learning or canceled classes in the wake of the heavy snow and gusty winds. The Minnesota State Patrol reported more than 400 crashes and spinouts on highways across the state between noon and 9 p.m. Tuesday, including at least 5 jackknifed semis.

The University of Minnesota has released a new study that shows fungi could help keep the invasive emerald ash borer in check. Researchers found fungi species growing on wood samples of ash trees and discovered many strands were known insect killers.