Learned something new the other day while studying the Vikings with Ava. The Vikings used two navigational tricks while sailing. One, they released ravens, who normally fly towards land, and followed them. And two, which I thought was ingenious, they'd pluck a flea from their hair and set it on a table. Why? Fleas always hop north!
I wonder how they knew that?
So Santa's reindeer must be the most flea ravaged animals around?
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