"It's like having a spell check that underlines words if you've made a mistake, " says Rutgers Professor Bill Ward, who was shocked that Chalfie's bacteria shone at all.
As the sun shone down, strikers from all levels from curators to shop staff waved banners citing "cultural vandalism" and "The British Museum is crumbling".
"There is no agenda behind this at all, " she continued, describing the six selected titles as "the ones that shone through, that stayed with you, that sustained you as a reader".