Mount St. Helens eruption: Mount St. Helens eruption: How gophers transformed barren land in 43 years | World News
When Mount St. Helens erupted in 1980, a vibrant green landscape turned into a desolate wasteland of ash and gray. But out in this gray wasteland, scientists conducted a brave 24-hour study: They dropped pocket gophers into the blast zone. More than 40…