Science

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It's a season for giving, and so today we reflect on the gifts that science gave us this year. From a rock 'n' roll astronaut to a tweeting robot, and a furry new mammal to a Martian discovery, we didn't…

The balsam wolly adelgid is an invasive species known to kill popular fir tree species. Image by the Forest Service of the USDA. Wild populations of Canaan and Fraser firs -- some of the nation's most popular and…