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For some parents they're a godsend; others avoid them like the devil. But it's not a new dilemma by any means.
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The first mention of them is found in 1473 — so they've been around for a long time, and they're not likely to die out anytime soon. In this video we show you how pacifiers have evolved over the years, and throw in a lot of other cool facts too.
Pacifiers: Geeky Facts video
Pacifiers: Geeky Facts video
Who knew?