It looked like any ordinary roll of cloth, but it brought the dreaded plague to the village of Eyam. First it killed the tailor, then resident after resident succumbed. To stop the spread of the disease to neighbouring towns the people of Eyam agreed to isolate themselves and let the plague run its deadly course. This terrible act of sacrifice is still remembered centuries later - but what does it tell us about how far people will go to save the lives of strangers? Read more about Tim's work at http://timharford.com/ Tim's latest books 'Fifty Inventions That Shaped The Modern Economy' and 'The Next Fifty Things That Made The Modern Economy' are available now. Learn more about your ad choices. Visit megaphone.fm/adchoices