Are scientists basically hippies? (And what it has to do with health)

The first time I remember seeing the yin-yang sign, it was on a T-shirt in an interesting little shop, surrounded by crystals and the best of 80’s tie dyed fashion. I thought it was a logo for a line in hippy style clothing. I never imagined it would turn out to be the most enduring medical symbol on earth, or that it had so much to do with scientific theory.