Humans have believed all kinds of strange things throughout our short time on this planet. This is, in part, because humans (and our evolutionary ancestors) love stories. We gather around campfires and invent entire mediums, industries, and technologies to aid in their telling. But on the other hand, humans have always had a deep need to understand the world we inhabit, and the combination of these qualities can lead to very uninformed people believing some very strange things.
From cold stars, pleasure energy, bloodletting, and beyond, here are 10 weird things that people used to believe.
This is an encore of one of our previous lists, as presented by our YouTube host Simon Whistler. Read the full list!