Costas Efthimiou, a researcher at the University of Central Florida, has the very cool job of debunking pseudoscientific myths. His latest calculations showed the mathematical impossibility of vampires, in case you were concerned that they might be real (and apparently there are a frightening number of people who do believe in them).
According to a LiveScience article:
Efthimiou's debunking logic: On Jan 1, 1600, the human population was 536,870,911. If the first vampire came into existence that... READ ON