Think Out LoudStudy finds that extinction of Ice Age animals likely due to wildfires from human activityBy Sheraz Sadiq (OPB)Oct. 2, 2023 11:19 p.m.Broadcast: Wednesday, Oct. 4📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up