
No glowing red nose required: Real reindeer don’t need Rudolph’s help to find the Arctic food they love most, new research shows. If you’re a reindeer, your go-to favorite food is a humble moss-like lichen called Cladonia rangiferina, explained researchers at Dartmouth College in Hanover, N.H. Trouble is, in the darkness of a northern winter… read on > read on >