I'm sure I read somewhere that rural communities suffered fewer genetic birth defects after the invention of the bicycle, it reduced the inbreeding in villages by extending the choice of partners, like in Norfolk where two people lived together, a bloke, his wife and sister.
I'm sure I read somewhere that rural communities suffered fewer genetic birth defects after the invention of the bicycle, it reduced the inbreeding in villages by extending the choice of partners, like in Norfolk where two people lived together, a bloke, his wife and sister.