Scientists target mess from Christmas tree needles

After being told that it smells good, Sophia Sokurec, 5, puts her nose next to a branch of the new Christmas tree, delivered by elves, at her home in Golden Valley December 12, 2014.
Courtney Perry / For MPR News
Go Deeper.
Create an account or log in to save stories.
Like this?
Thanks for liking this story! We have added it to a list of your favorite stories.
