Math vs. vampires: vampires lose
Efthimiou supÂposed that the first vamÂpire arose Jan. 1, 1600, around the beÂginÂning of a cenÂtuÂry durÂing which some of the first imÂporÂtant modÂern writÂings on vamÂpires apÂpeared. The reÂsearchÂers esÂtiÂmatÂed the globÂal popÂuÂlaÂtion at that time, based on hisÂtorÂiÂcal reÂcÂords, as 537 milÂlion. AsÂsumÂing that the vamÂpire fed once a month and the vicÂtim…